87279920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 160

約数和(自身を含む): 263316480

約数和(自身を除く): 176036560

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 182, 190, 208, 247, 260, 266, 280, 304, 364, 380, 455, 494, 520, 532, 560, 631, 665, 728, 760, 910, 988, 1040, 1064, 1235, 1262, 1330, 1456, 1520, 1729, 1820, 1976, 2128, 2470, 2524, 2660, 3155, 3458, 3640, 3952, 4417, 4940, 5048, 5320, 6310, 6916, 7280, 8203, 8645, 8834, 9880, 10096, 10640, 11989, 12620, 13832, 16406, 17290, 17668, 19760, 22085, 23978, 25240, 27664, 32812, 34580, 35336, 41015, 44170, 47956, 50480, 57421, 59945, 65624, 69160, 70672, 82030, 83923, 88340, 95912, 114842, 119890, 131248, 138320, 155857, 164060, 167846, 176680, 191824, 229684, 239780, 287105, 311714, 328120, 335692, 353360, 419615, 459368, 479560, 574210, 623428, 656240, 671384, 779285, 839230, 918736, 959120, 1090999, 1148420, 1246856, 1342768, 1558570, 1678460, 2181998, 2296840, 2493712, 3117140, 3356920, 4363996, 4593680, 5454995, 6234280, 6713840, 8727992, 10909990, 12468560, 17455984, 21819980, 43639960, 87279920]

約数ペア:

[(1, 87279920), (2, 43639960), (4, 21819980), (5, 17455984), (7, 12468560), (8, 10909990), (10, 8727992), (13, 6713840), (14, 6234280), (16, 5454995), (19, 4593680), (20, 4363996), (26, 3356920), (28, 3117140), (35, 2493712), (38, 2296840), (40, 2181998), (52, 1678460), (56, 1558570), (65, 1342768), (70, 1246856), (76, 1148420), (80, 1090999), (91, 959120), (95, 918736), (104, 839230), (112, 779285), (130, 671384), (133, 656240), (140, 623428), (152, 574210), (182, 479560), (190, 459368), (208, 419615), (247, 353360), (260, 335692), (266, 328120), (280, 311714), (304, 287105), (364, 239780), (380, 229684), (455, 191824), (494, 176680), (520, 167846), (532, 164060), (560, 155857), (631, 138320), (665, 131248), (728, 119890), (760, 114842), (910, 95912), (988, 88340), (1040, 83923), (1064, 82030), (1235, 70672), (1262, 69160), (1330, 65624), (1456, 59945), (1520, 57421), (1729, 50480), (1820, 47956), (1976, 44170), (2128, 41015), (2470, 35336), (2524, 34580), (2660, 32812), (3155, 27664), (3458, 25240), (3640, 23978), (3952, 22085), (4417, 19760), (4940, 17668), (5048, 17290), (5320, 16406), (6310, 13832), (6916, 12620), (7280, 11989), (8203, 10640), (8645, 10096), (8834, 9880)]