1320721920

素因数分解:

$2^9\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:486

約数の個数: 480

約数和(自身を含む): 5515361280

約数和(自身を除く): 4194639360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 32, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 64, 70, 72, 76, 80, 84, 90, 95, 96, 105, 112, 114, 120, 126, 128, 133, 140, 144, 152, 160, 168, 171, 180, 190, 192, 210, 224, 228, 240, 252, 256, 266, 280, 285, 288, 304, 315, 320, 336, 342, 360, 380, 384, 399, 420, 431, 448, 456, 480, 504, 512, 532, 560, 570, 576, 608, 630, 640, 665, 672, 684, 720, 760, 768, 798, 840, 855, 862, 896, 912, 960, 1008, 1064, 1120, 1140, 1152, 1197, 1216, 1260, 1280, 1293, 1330, 1344, 1368, 1440, 1520, 1536, 1596, 1680, 1710, 1724, 1792, 1824, 1920, 1995, 2016, 2128, 2155, 2240, 2280, 2304, 2394, 2432, 2520, 2560, 2586, 2660, 2688, 2736, 2880, 3017, 3040, 3192, 3360, 3420, 3448, 3584, 3648, 3840, 3879, 3990, 4032, 4256, 4310, 4480, 4560, 4608, 4788, 4864, 5040, 5172, 5320, 5376, 5472, 5760, 5985, 6034, 6080, 6384, 6465, 6720, 6840, 6896, 7296, 7680, 7758, 7980, 8064, 8189, 8512, 8620, 8960, 9051, 9120, 9576, 9728, 10080, 10344, 10640, 10752, 10944, 11520, 11970, 12068, 12160, 12768, 12930, 13440, 13680, 13792, 14592, 15085, 15516, 15960, 16128, 16378, 17024, 17240, 17920, 18102, 18240, 19152, 19395, 20160, 20688, 21280, 21888, 23040, 23940, 24136, 24320, 24567, 25536, 25860, 26880, 27153, 27360, 27584, 29184, 30170, 31032, 31920, 32256, 32756, 34048, 34480, 36204, 36480, 38304, 38790, 40320, 40945, 41376, 42560, 43776, 45255, 47880, 48272, 48640, 49134, 51072, 51720, 53760, 54306, 54720, 55168, 57323, 60340, 62064, 63840, 65512, 68096, 68960, 72408, 72960, 73701, 76608, 77580, 80640, 81890, 82752, 85120, 87552, 90510, 95760, 96544, 98268, 102144, 103440, 108612, 109440, 110336, 114646, 120680, 122835, 124128, 127680, 131024, 135765, 137920, 144816, 145920, 147402, 153216, 155160, 161280, 163780, 165504, 170240, 171969, 181020, 191520, 193088, 196536, 204288, 206880, 217224, 218880, 220672, 229292, 241360, 245670, 248256, 255360, 262048, 271530, 275840, 286615, 289632, 294804, 306432, 310320, 327560, 331008, 340480, 343938, 362040, 368505, 383040, 386176, 393072, 413760, 434448, 437760, 458584, 482720, 491340, 496512, 510720, 515907, 524096, 543060, 551680, 573230, 579264, 589608, 612864, 620640, 655120, 662016, 687876, 724080, 737010, 766080, 772352, 786144, 827520, 859845, 868896, 917168, 965440, 982680, 993024, 1021440, 1031814, 1048192, 1086120, 1103360, 1146460, 1158528, 1179216, 1241280, 1310240, 1375752, 1448160, 1474020, 1532160, 1544704, 1572288, 1655040, 1719690, 1737792, 1834336, 1930880, 1965360, 1986048, 2063628, 2096384, 2172240, 2292920, 2317056, 2358432, 2482560, 2579535, 2620480, 2751504, 2896320, 2948040, 3064320, 3144576, 3310080, 3439380, 3475584, 3668672, 3861760, 3930720, 4127256, 4192768, 4344480, 4585840, 4634112, 4716864, 4965120, 5159070, 5240960, 5503008, 5792640, 5896080, 6289152, 6878760, 6951168, 7337344, 7723520, 7861440, 8254512, 8688960, 9171680, 9433728, 9930240, 10318140, 10481920, 11006016, 11585280, 11792160, 12578304, 13757520, 13902336, 14674688, 15722880, 16509024, 17377920, 18343360, 18867456, 20636280, 20963840, 22012032, 23170560, 23584320, 27515040, 29349376, 31445760, 33018048, 34755840, 36686720, 37734912, 41272560, 44024064, 47168640, 55030080, 62891520, 66036096, 69511680, 73373440, 82545120, 88048128, 94337280, 110060160, 132072192, 146746880, 165090240, 188674560, 220120320, 264144384, 330180480, 440240640, 660360960, 1320721920]

約数ペア:

[(1, 1320721920), (2, 660360960), (3, 440240640), (4, 330180480), (5, 264144384), (6, 220120320), (7, 188674560), (8, 165090240), (9, 146746880), (10, 132072192), (12, 110060160), (14, 94337280), (15, 88048128), (16, 82545120), (18, 73373440), (19, 69511680), (20, 66036096), (21, 62891520), (24, 55030080), (28, 47168640), (30, 44024064), (32, 41272560), (35, 37734912), (36, 36686720), (38, 34755840), (40, 33018048), (42, 31445760), (45, 29349376), (48, 27515040), (56, 23584320), (57, 23170560), (60, 22012032), (63, 20963840), (64, 20636280), (70, 18867456), (72, 18343360), (76, 17377920), (80, 16509024), (84, 15722880), (90, 14674688), (95, 13902336), (96, 13757520), (105, 12578304), (112, 11792160), (114, 11585280), (120, 11006016), (126, 10481920), (128, 10318140), (133, 9930240), (140, 9433728), (144, 9171680), (152, 8688960), (160, 8254512), (168, 7861440), (171, 7723520), (180, 7337344), (190, 6951168), (192, 6878760), (210, 6289152), (224, 5896080), (228, 5792640), (240, 5503008), (252, 5240960), (256, 5159070), (266, 4965120), (280, 4716864), (285, 4634112), (288, 4585840), (304, 4344480), (315, 4192768), (320, 4127256), (336, 3930720), (342, 3861760), (360, 3668672), (380, 3475584), (384, 3439380), (399, 3310080), (420, 3144576), (431, 3064320), (448, 2948040), (456, 2896320), (480, 2751504), (504, 2620480), (512, 2579535), (532, 2482560), (560, 2358432), (570, 2317056), (576, 2292920), (608, 2172240), (630, 2096384), (640, 2063628), (665, 1986048), (672, 1965360), (684, 1930880), (720, 1834336), (760, 1737792), (768, 1719690), (798, 1655040), (840, 1572288), (855, 1544704), (862, 1532160), (896, 1474020), (912, 1448160), (960, 1375752), (1008, 1310240), (1064, 1241280), (1120, 1179216), (1140, 1158528), (1152, 1146460), (1197, 1103360), (1216, 1086120), (1260, 1048192), (1280, 1031814), (1293, 1021440), (1330, 993024), (1344, 982680), (1368, 965440), (1440, 917168), (1520, 868896), (1536, 859845), (1596, 827520), (1680, 786144), (1710, 772352), (1724, 766080), (1792, 737010), (1824, 724080), (1920, 687876), (1995, 662016), (2016, 655120), (2128, 620640), (2155, 612864), (2240, 589608), (2280, 579264), (2304, 573230), (2394, 551680), (2432, 543060), (2520, 524096), (2560, 515907), (2586, 510720), (2660, 496512), (2688, 491340), (2736, 482720), (2880, 458584), (3017, 437760), (3040, 434448), (3192, 413760), (3360, 393072), (3420, 386176), (3448, 383040), (3584, 368505), (3648, 362040), (3840, 343938), (3879, 340480), (3990, 331008), (4032, 327560), (4256, 310320), (4310, 306432), (4480, 294804), (4560, 289632), (4608, 286615), (4788, 275840), (4864, 271530), (5040, 262048), (5172, 255360), (5320, 248256), (5376, 245670), (5472, 241360), (5760, 229292), (5985, 220672), (6034, 218880), (6080, 217224), (6384, 206880), (6465, 204288), (6720, 196536), (6840, 193088), (6896, 191520), (7296, 181020), (7680, 171969), (7758, 170240), (7980, 165504), (8064, 163780), (8189, 161280), (8512, 155160), (8620, 153216), (8960, 147402), (9051, 145920), (9120, 144816), (9576, 137920), (9728, 135765), (10080, 131024), (10344, 127680), (10640, 124128), (10752, 122835), (10944, 120680), (11520, 114646), (11970, 110336), (12068, 109440), (12160, 108612), (12768, 103440), (12930, 102144), (13440, 98268), (13680, 96544), (13792, 95760), (14592, 90510), (15085, 87552), (15516, 85120), (15960, 82752), (16128, 81890), (16378, 80640), (17024, 77580), (17240, 76608), (17920, 73701), (18102, 72960), (18240, 72408), (19152, 68960), (19395, 68096), (20160, 65512), (20688, 63840), (21280, 62064), (21888, 60340), (23040, 57323), (23940, 55168), (24136, 54720), (24320, 54306), (24567, 53760), (25536, 51720), (25860, 51072), (26880, 49134), (27153, 48640), (27360, 48272), (27584, 47880), (29184, 45255), (30170, 43776), (31032, 42560), (31920, 41376), (32256, 40945), (32756, 40320), (34048, 38790), (34480, 38304), (36204, 36480)]