420301980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{111191}}^1$

素因数の和:111216

約数の個数: 96

約数和(自身を含む): 1494420480

約数和(自身を除く): 1074118500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 111191, 222382, 333573, 444764, 555955, 667146, 778337, 1000719, 1111910, 1334292, 1556674, 1667865, 2001438, 2223820, 2335011, 3002157, 3113348, 3335730, 3891685, 4002876, 4670022, 5003595, 6004314, 6671460, 7005033, 7783370, 9340044, 10007190, 11675055, 12008628, 14010066, 15010785, 15566740, 20014380, 21015099, 23350110, 28020132, 30021570, 35025165, 42030198, 46700220, 60043140, 70050330, 84060396, 105075495, 140100660, 210150990, 420301980]

約数ペア:

[(1, 420301980), (2, 210150990), (3, 140100660), (4, 105075495), (5, 84060396), (6, 70050330), (7, 60043140), (9, 46700220), (10, 42030198), (12, 35025165), (14, 30021570), (15, 28020132), (18, 23350110), (20, 21015099), (21, 20014380), (27, 15566740), (28, 15010785), (30, 14010066), (35, 12008628), (36, 11675055), (42, 10007190), (45, 9340044), (54, 7783370), (60, 7005033), (63, 6671460), (70, 6004314), (84, 5003595), (90, 4670022), (105, 4002876), (108, 3891685), (126, 3335730), (135, 3113348), (140, 3002157), (180, 2335011), (189, 2223820), (210, 2001438), (252, 1667865), (270, 1556674), (315, 1334292), (378, 1111910), (420, 1000719), (540, 778337), (630, 667146), (756, 555955), (945, 444764), (1260, 333573), (1890, 222382), (3780, 111191)]