129951640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1929

約数の個数: 128

約数和(自身を含む): 379008000

約数和(自身を除く): 249056360

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1879, 1976, 2470, 2660, 3458, 3640, 3758, 4940, 5320, 6916, 7516, 8645, 9395, 9880, 13153, 13832, 15032, 17290, 18790, 24427, 26306, 34580, 35701, 37580, 48854, 52612, 65765, 69160, 71402, 75160, 97708, 105224, 122135, 131530, 142804, 170989, 178505, 195416, 244270, 249907, 263060, 285608, 341978, 357010, 464113, 488540, 499814, 526120, 683956, 714020, 854945, 928226, 977080, 999628, 1249535, 1367912, 1428040, 1709890, 1856452, 1999256, 2320565, 2499070, 3248791, 3419780, 3712904, 4641130, 4998140, 6497582, 6839560, 9282260, 9996280, 12995164, 16243955, 18564520, 25990328, 32487910, 64975820, 129951640]

約数ペア:

[(1, 129951640), (2, 64975820), (4, 32487910), (5, 25990328), (7, 18564520), (8, 16243955), (10, 12995164), (13, 9996280), (14, 9282260), (19, 6839560), (20, 6497582), (26, 4998140), (28, 4641130), (35, 3712904), (38, 3419780), (40, 3248791), (52, 2499070), (56, 2320565), (65, 1999256), (70, 1856452), (76, 1709890), (91, 1428040), (95, 1367912), (104, 1249535), (130, 999628), (133, 977080), (140, 928226), (152, 854945), (182, 714020), (190, 683956), (247, 526120), (260, 499814), (266, 488540), (280, 464113), (364, 357010), (380, 341978), (455, 285608), (494, 263060), (520, 249907), (532, 244270), (665, 195416), (728, 178505), (760, 170989), (910, 142804), (988, 131530), (1064, 122135), (1235, 105224), (1330, 97708), (1729, 75160), (1820, 71402), (1879, 69160), (1976, 65765), (2470, 52612), (2660, 48854), (3458, 37580), (3640, 35701), (3758, 34580), (4940, 26306), (5320, 24427), (6916, 18790), (7516, 17290), (8645, 15032), (9395, 13832), (9880, 13153)]