156932720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3947}}^1$

素因数の和:4038

約数の個数: 80

約数和(自身を含む): 422972928

約数和(自身を除く): 266040208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 497, 560, 568, 710, 994, 1136, 1420, 1988, 2485, 2840, 3947, 3976, 4970, 5680, 7894, 7952, 9940, 15788, 19735, 19880, 27629, 31576, 39470, 39760, 55258, 63152, 78940, 110516, 138145, 157880, 221032, 276290, 280237, 315760, 442064, 552580, 560474, 1105160, 1120948, 1401185, 1961659, 2210320, 2241896, 2802370, 3923318, 4483792, 5604740, 7846636, 9808295, 11209480, 15693272, 19616590, 22418960, 31386544, 39233180, 78466360, 156932720]

約数ペア:

[(1, 156932720), (2, 78466360), (4, 39233180), (5, 31386544), (7, 22418960), (8, 19616590), (10, 15693272), (14, 11209480), (16, 9808295), (20, 7846636), (28, 5604740), (35, 4483792), (40, 3923318), (56, 2802370), (70, 2241896), (71, 2210320), (80, 1961659), (112, 1401185), (140, 1120948), (142, 1105160), (280, 560474), (284, 552580), (355, 442064), (497, 315760), (560, 280237), (568, 276290), (710, 221032), (994, 157880), (1136, 138145), (1420, 110516), (1988, 78940), (2485, 63152), (2840, 55258), (3947, 39760), (3976, 39470), (4970, 31576), (5680, 27629), (7894, 19880), (7952, 19735), (9940, 15788)]