20520128160

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{8447}}^1$

素因数の和:8716

約数の個数: 288

約数和(自身を含む): 80370081792

約数和(自身を除く): 59849953632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 241, 252, 280, 288, 315, 336, 360, 420, 480, 482, 504, 560, 630, 672, 720, 723, 840, 964, 1008, 1120, 1205, 1260, 1440, 1446, 1680, 1687, 1928, 2016, 2169, 2410, 2520, 2892, 3360, 3374, 3615, 3856, 4338, 4820, 5040, 5061, 5784, 6748, 7230, 7712, 8435, 8447, 8676, 9640, 10080, 10122, 10845, 11568, 13496, 14460, 15183, 16870, 16894, 17352, 19280, 20244, 21690, 23136, 25305, 25341, 26992, 28920, 30366, 33740, 33788, 34704, 38560, 40488, 42235, 43380, 50610, 50682, 53984, 57840, 59129, 60732, 67480, 67576, 69408, 75915, 76023, 80976, 84470, 86760, 101220, 101364, 115680, 118258, 121464, 126705, 134960, 135152, 151830, 152046, 161952, 168940, 173520, 177387, 202440, 202728, 236516, 242928, 253410, 269920, 270304, 295645, 303660, 304092, 337880, 347040, 354774, 380115, 404880, 405456, 473032, 485856, 506820, 532161, 591290, 607320, 608184, 675760, 709548, 760230, 809760, 810912, 886935, 946064, 1013640, 1064322, 1182580, 1214640, 1216368, 1351520, 1419096, 1520460, 1773870, 1892128, 2027280, 2035727, 2128644, 2365160, 2429280, 2432736, 2660805, 2838192, 3040920, 3547740, 4054560, 4071454, 4257288, 4730320, 5321610, 5676384, 6081840, 6107181, 7095480, 8142908, 8514576, 9460640, 10178635, 10643220, 12163680, 12214362, 14190960, 14250089, 16285816, 17029152, 18321543, 20357270, 21286440, 24428724, 28381920, 28500178, 30535905, 32571632, 36643086, 40714540, 42572880, 42750267, 48857448, 57000356, 61071810, 65143264, 71250445, 73286172, 81429080, 85145760, 85500534, 91607715, 97714896, 114000712, 122143620, 128250801, 142500890, 146572344, 162858160, 171001068, 183215430, 195429792, 213751335, 228001424, 244287240, 256501602, 285001780, 293144688, 325716320, 342002136, 366430860, 427502670, 456002848, 488574480, 513003204, 570003560, 586289376, 641254005, 684004272, 732861720, 855005340, 977148960, 1026006408, 1140007120, 1282508010, 1368008544, 1465723440, 1710010680, 2052012816, 2280014240, 2565016020, 2931446880, 3420021360, 4104025632, 5130032040, 6840042720, 10260064080, 20520128160]

約数ペア:

[(1, 20520128160), (2, 10260064080), (3, 6840042720), (4, 5130032040), (5, 4104025632), (6, 3420021360), (7, 2931446880), (8, 2565016020), (9, 2280014240), (10, 2052012816), (12, 1710010680), (14, 1465723440), (15, 1368008544), (16, 1282508010), (18, 1140007120), (20, 1026006408), (21, 977148960), (24, 855005340), (28, 732861720), (30, 684004272), (32, 641254005), (35, 586289376), (36, 570003560), (40, 513003204), (42, 488574480), (45, 456002848), (48, 427502670), (56, 366430860), (60, 342002136), (63, 325716320), (70, 293144688), (72, 285001780), (80, 256501602), (84, 244287240), (90, 228001424), (96, 213751335), (105, 195429792), (112, 183215430), (120, 171001068), (126, 162858160), (140, 146572344), (144, 142500890), (160, 128250801), (168, 122143620), (180, 114000712), (210, 97714896), (224, 91607715), (240, 85500534), (241, 85145760), (252, 81429080), (280, 73286172), (288, 71250445), (315, 65143264), (336, 61071810), (360, 57000356), (420, 48857448), (480, 42750267), (482, 42572880), (504, 40714540), (560, 36643086), (630, 32571632), (672, 30535905), (720, 28500178), (723, 28381920), (840, 24428724), (964, 21286440), (1008, 20357270), (1120, 18321543), (1205, 17029152), (1260, 16285816), (1440, 14250089), (1446, 14190960), (1680, 12214362), (1687, 12163680), (1928, 10643220), (2016, 10178635), (2169, 9460640), (2410, 8514576), (2520, 8142908), (2892, 7095480), (3360, 6107181), (3374, 6081840), (3615, 5676384), (3856, 5321610), (4338, 4730320), (4820, 4257288), (5040, 4071454), (5061, 4054560), (5784, 3547740), (6748, 3040920), (7230, 2838192), (7712, 2660805), (8435, 2432736), (8447, 2429280), (8676, 2365160), (9640, 2128644), (10080, 2035727), (10122, 2027280), (10845, 1892128), (11568, 1773870), (13496, 1520460), (14460, 1419096), (15183, 1351520), (16870, 1216368), (16894, 1214640), (17352, 1182580), (19280, 1064322), (20244, 1013640), (21690, 946064), (23136, 886935), (25305, 810912), (25341, 809760), (26992, 760230), (28920, 709548), (30366, 675760), (33740, 608184), (33788, 607320), (34704, 591290), (38560, 532161), (40488, 506820), (42235, 485856), (43380, 473032), (50610, 405456), (50682, 404880), (53984, 380115), (57840, 354774), (59129, 347040), (60732, 337880), (67480, 304092), (67576, 303660), (69408, 295645), (75915, 270304), (76023, 269920), (80976, 253410), (84470, 242928), (86760, 236516), (101220, 202728), (101364, 202440), (115680, 177387), (118258, 173520), (121464, 168940), (126705, 161952), (134960, 152046), (135152, 151830)]