56177940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10289}}^1$

素因数の和:10321

約数の個数: 96

約数和(自身を含む): 193616640

約数和(自身を除く): 137438700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 10289, 20578, 30867, 41156, 51445, 61734, 72023, 102890, 123468, 133757, 144046, 154335, 205780, 216069, 267514, 288092, 308670, 360115, 401271, 432138, 535028, 617340, 668785, 720230, 802542, 864276, 936299, 1080345, 1337570, 1440460, 1605084, 1872598, 2006355, 2160690, 2675140, 2808897, 3745196, 4012710, 4321380, 4681495, 5617794, 8025420, 9362990, 11235588, 14044485, 18725980, 28088970, 56177940]

約数ペア:

[(1, 56177940), (2, 28088970), (3, 18725980), (4, 14044485), (5, 11235588), (6, 9362990), (7, 8025420), (10, 5617794), (12, 4681495), (13, 4321380), (14, 4012710), (15, 3745196), (20, 2808897), (21, 2675140), (26, 2160690), (28, 2006355), (30, 1872598), (35, 1605084), (39, 1440460), (42, 1337570), (52, 1080345), (60, 936299), (65, 864276), (70, 802542), (78, 720230), (84, 668785), (91, 617340), (105, 535028), (130, 432138), (140, 401271), (156, 360115), (182, 308670), (195, 288092), (210, 267514), (260, 216069), (273, 205780), (364, 154335), (390, 144046), (420, 133757), (455, 123468), (546, 102890), (780, 72023), (910, 61734), (1092, 51445), (1365, 41156), (1820, 30867), (2730, 20578), (5460, 10289)]