487487560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2211

約数の個数: 128

約数和(自身を含む): 1350835200

約数和(自身を除く): 863347640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 43, 56, 70, 76, 86, 95, 133, 140, 152, 172, 190, 215, 266, 280, 301, 344, 380, 430, 532, 602, 665, 760, 817, 860, 1064, 1204, 1330, 1505, 1634, 1720, 2131, 2408, 2660, 3010, 3268, 4085, 4262, 5320, 5719, 6020, 6536, 8170, 8524, 10655, 11438, 12040, 14917, 16340, 17048, 21310, 22876, 28595, 29834, 32680, 40489, 42620, 45752, 57190, 59668, 74585, 80978, 85240, 91633, 114380, 119336, 149170, 161956, 183266, 202445, 228760, 283423, 298340, 323912, 366532, 404890, 458165, 566846, 596680, 641431, 733064, 809780, 916330, 1133692, 1282862, 1417115, 1619560, 1741027, 1832660, 2267384, 2565724, 2834230, 3207155, 3482054, 3665320, 5131448, 5668460, 6414310, 6964108, 8705135, 11336920, 12187189, 12828620, 13928216, 17410270, 24374378, 25657240, 34820540, 48748756, 60935945, 69641080, 97497512, 121871890, 243743780, 487487560]

約数ペア:

[(1, 487487560), (2, 243743780), (4, 121871890), (5, 97497512), (7, 69641080), (8, 60935945), (10, 48748756), (14, 34820540), (19, 25657240), (20, 24374378), (28, 17410270), (35, 13928216), (38, 12828620), (40, 12187189), (43, 11336920), (56, 8705135), (70, 6964108), (76, 6414310), (86, 5668460), (95, 5131448), (133, 3665320), (140, 3482054), (152, 3207155), (172, 2834230), (190, 2565724), (215, 2267384), (266, 1832660), (280, 1741027), (301, 1619560), (344, 1417115), (380, 1282862), (430, 1133692), (532, 916330), (602, 809780), (665, 733064), (760, 641431), (817, 596680), (860, 566846), (1064, 458165), (1204, 404890), (1330, 366532), (1505, 323912), (1634, 298340), (1720, 283423), (2131, 228760), (2408, 202445), (2660, 183266), (3010, 161956), (3268, 149170), (4085, 119336), (4262, 114380), (5320, 91633), (5719, 85240), (6020, 80978), (6536, 74585), (8170, 59668), (8524, 57190), (10655, 45752), (11438, 42620), (12040, 40489), (14917, 32680), (16340, 29834), (17048, 28595), (21310, 22876)]