128484080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{617}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 317256480

約数和(自身を除く): 188772400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 137, 152, 190, 274, 304, 380, 548, 617, 685, 760, 1096, 1234, 1370, 1520, 2192, 2468, 2603, 2740, 3085, 4936, 5206, 5480, 6170, 9872, 10412, 10960, 11723, 12340, 13015, 20824, 23446, 24680, 26030, 41648, 46892, 49360, 52060, 58615, 84529, 93784, 104120, 117230, 169058, 187568, 208240, 234460, 338116, 422645, 468920, 676232, 845290, 937840, 1352464, 1606051, 1690580, 3212102, 3381160, 6424204, 6762320, 8030255, 12848408, 16060510, 25696816, 32121020, 64242040, 128484080]

約数ペア:

[(1, 128484080), (2, 64242040), (4, 32121020), (5, 25696816), (8, 16060510), (10, 12848408), (16, 8030255), (19, 6762320), (20, 6424204), (38, 3381160), (40, 3212102), (76, 1690580), (80, 1606051), (95, 1352464), (137, 937840), (152, 845290), (190, 676232), (274, 468920), (304, 422645), (380, 338116), (548, 234460), (617, 208240), (685, 187568), (760, 169058), (1096, 117230), (1234, 104120), (1370, 93784), (1520, 84529), (2192, 58615), (2468, 52060), (2603, 49360), (2740, 46892), (3085, 41648), (4936, 26030), (5206, 24680), (5480, 23446), (6170, 20824), (9872, 13015), (10412, 12340), (10960, 11723)]