28072380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 90961920

約数和(自身を除く): 62889540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 89, 105, 140, 178, 210, 267, 356, 420, 445, 534, 623, 751, 890, 1068, 1246, 1335, 1502, 1780, 1869, 2253, 2492, 2670, 3004, 3115, 3738, 3755, 4506, 5257, 5340, 6230, 7476, 7510, 9012, 9345, 10514, 11265, 12460, 15020, 15771, 18690, 21028, 22530, 26285, 31542, 37380, 45060, 52570, 63084, 66839, 78855, 105140, 133678, 157710, 200517, 267356, 315420, 334195, 401034, 467873, 668390, 802068, 935746, 1002585, 1336780, 1403619, 1871492, 2005170, 2339365, 2807238, 4010340, 4678730, 5614476, 7018095, 9357460, 14036190, 28072380]

約数ペア:

[(1, 28072380), (2, 14036190), (3, 9357460), (4, 7018095), (5, 5614476), (6, 4678730), (7, 4010340), (10, 2807238), (12, 2339365), (14, 2005170), (15, 1871492), (20, 1403619), (21, 1336780), (28, 1002585), (30, 935746), (35, 802068), (42, 668390), (60, 467873), (70, 401034), (84, 334195), (89, 315420), (105, 267356), (140, 200517), (178, 157710), (210, 133678), (267, 105140), (356, 78855), (420, 66839), (445, 63084), (534, 52570), (623, 45060), (751, 37380), (890, 31542), (1068, 26285), (1246, 22530), (1335, 21028), (1502, 18690), (1780, 15771), (1869, 15020), (2253, 12460), (2492, 11265), (2670, 10514), (3004, 9345), (3115, 9012), (3738, 7510), (3755, 7476), (4506, 6230), (5257, 5340)]