1520647440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487387}}^1$

素因数の和:487416

約数の個数: 80

約数和(自身を含む): 5076633408

約数和(自身を除く): 3555985968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 487387, 974774, 1462161, 1949548, 2436935, 2924322, 3899096, 4873870, 5848644, 6336031, 7310805, 7798192, 9747740, 11697288, 12672062, 14621610, 19008093, 19495480, 23394576, 25344124, 29243220, 31680155, 38016186, 38990960, 50688248, 58486440, 63360310, 76032372, 95040465, 101376496, 116972880, 126720620, 152064744, 190080930, 253441240, 304129488, 380161860, 506882480, 760323720, 1520647440]

約数ペア:

[(1, 1520647440), (2, 760323720), (3, 506882480), (4, 380161860), (5, 304129488), (6, 253441240), (8, 190080930), (10, 152064744), (12, 126720620), (13, 116972880), (15, 101376496), (16, 95040465), (20, 76032372), (24, 63360310), (26, 58486440), (30, 50688248), (39, 38990960), (40, 38016186), (48, 31680155), (52, 29243220), (60, 25344124), (65, 23394576), (78, 19495480), (80, 19008093), (104, 14621610), (120, 12672062), (130, 11697288), (156, 9747740), (195, 7798192), (208, 7310805), (240, 6336031), (260, 5848644), (312, 4873870), (390, 3899096), (520, 2924322), (624, 2436935), (780, 1949548), (1040, 1462161), (1560, 974774), (3120, 487387)]