220120320

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 288

約数和(自身を含む): 847687680

約数和(自身を除く): 627567360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 431, 448, 456, 480, 532, 560, 570, 608, 640, 665, 672, 760, 768, 798, 840, 862, 896, 912, 960, 1064, 1120, 1140, 1216, 1280, 1293, 1330, 1344, 1520, 1596, 1680, 1724, 1792, 1824, 1920, 1995, 2128, 2155, 2240, 2280, 2432, 2586, 2660, 2688, 3017, 3040, 3192, 3360, 3448, 3648, 3840, 3990, 4256, 4310, 4480, 4560, 4864, 5172, 5320, 5376, 6034, 6080, 6384, 6465, 6720, 6896, 7296, 7980, 8189, 8512, 8620, 8960, 9051, 9120, 10344, 10640, 12068, 12160, 12768, 12930, 13440, 13792, 14592, 15085, 15960, 16378, 17024, 17240, 18102, 18240, 20688, 21280, 24136, 24320, 24567, 25536, 25860, 26880, 27584, 30170, 31920, 32756, 34048, 34480, 36204, 36480, 40945, 41376, 42560, 45255, 48272, 49134, 51072, 51720, 55168, 57323, 60340, 63840, 65512, 68960, 72408, 72960, 81890, 82752, 85120, 90510, 96544, 98268, 102144, 103440, 110336, 114646, 120680, 122835, 127680, 131024, 137920, 144816, 163780, 165504, 170240, 171969, 181020, 193088, 196536, 206880, 229292, 241360, 245670, 255360, 262048, 275840, 286615, 289632, 327560, 331008, 343938, 362040, 386176, 393072, 413760, 458584, 482720, 491340, 510720, 524096, 551680, 573230, 579264, 655120, 687876, 724080, 772352, 786144, 827520, 859845, 917168, 965440, 982680, 1048192, 1146460, 1158528, 1310240, 1375752, 1448160, 1572288, 1655040, 1719690, 1834336, 1930880, 1965360, 2096384, 2292920, 2317056, 2620480, 2751504, 2896320, 3144576, 3439380, 3668672, 3861760, 3930720, 4585840, 5240960, 5503008, 5792640, 6289152, 6878760, 7337344, 7861440, 9171680, 10481920, 11006016, 11585280, 13757520, 14674688, 15722880, 18343360, 22012032, 27515040, 31445760, 36686720, 44024064, 55030080, 73373440, 110060160, 220120320]

約数ペア:

[(1, 220120320), (2, 110060160), (3, 73373440), (4, 55030080), (5, 44024064), (6, 36686720), (7, 31445760), (8, 27515040), (10, 22012032), (12, 18343360), (14, 15722880), (15, 14674688), (16, 13757520), (19, 11585280), (20, 11006016), (21, 10481920), (24, 9171680), (28, 7861440), (30, 7337344), (32, 6878760), (35, 6289152), (38, 5792640), (40, 5503008), (42, 5240960), (48, 4585840), (56, 3930720), (57, 3861760), (60, 3668672), (64, 3439380), (70, 3144576), (76, 2896320), (80, 2751504), (84, 2620480), (95, 2317056), (96, 2292920), (105, 2096384), (112, 1965360), (114, 1930880), (120, 1834336), (128, 1719690), (133, 1655040), (140, 1572288), (152, 1448160), (160, 1375752), (168, 1310240), (190, 1158528), (192, 1146460), (210, 1048192), (224, 982680), (228, 965440), (240, 917168), (256, 859845), (266, 827520), (280, 786144), (285, 772352), (304, 724080), (320, 687876), (336, 655120), (380, 579264), (384, 573230), (399, 551680), (420, 524096), (431, 510720), (448, 491340), (456, 482720), (480, 458584), (532, 413760), (560, 393072), (570, 386176), (608, 362040), (640, 343938), (665, 331008), (672, 327560), (760, 289632), (768, 286615), (798, 275840), (840, 262048), (862, 255360), (896, 245670), (912, 241360), (960, 229292), (1064, 206880), (1120, 196536), (1140, 193088), (1216, 181020), (1280, 171969), (1293, 170240), (1330, 165504), (1344, 163780), (1520, 144816), (1596, 137920), (1680, 131024), (1724, 127680), (1792, 122835), (1824, 120680), (1920, 114646), (1995, 110336), (2128, 103440), (2155, 102144), (2240, 98268), (2280, 96544), (2432, 90510), (2586, 85120), (2660, 82752), (2688, 81890), (3017, 72960), (3040, 72408), (3192, 68960), (3360, 65512), (3448, 63840), (3648, 60340), (3840, 57323), (3990, 55168), (4256, 51720), (4310, 51072), (4480, 49134), (4560, 48272), (4864, 45255), (5172, 42560), (5320, 41376), (5376, 40945), (6034, 36480), (6080, 36204), (6384, 34480), (6465, 34048), (6720, 32756), (6896, 31920), (7296, 30170), (7980, 27584), (8189, 26880), (8512, 25860), (8620, 25536), (8960, 24567), (9051, 24320), (9120, 24136), (10344, 21280), (10640, 20688), (12068, 18240), (12160, 18102), (12768, 17240), (12930, 17024), (13440, 16378), (13792, 15960), (14592, 15085)]