156940822520

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{379}}^1\times {\mathrm{145807}}^1$

素因数の和:146268

約数の個数: 64

約数和(自身を含む): 359037619200

約数和(自身を除く): 202096796680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 379, 568, 710, 758, 1420, 1516, 1895, 2840, 3032, 3790, 7580, 15160, 26909, 53818, 107636, 134545, 145807, 215272, 269090, 291614, 538180, 583228, 729035, 1076360, 1166456, 1458070, 2916140, 5832280, 10352297, 20704594, 41409188, 51761485, 55260853, 82818376, 103522970, 110521706, 207045940, 221043412, 276304265, 414091880, 442086824, 552608530, 1105217060, 2210434120, 3923520563, 7847041126, 15694082252, 19617602815, 31388164504, 39235205630, 78470411260, 156940822520]

約数ペア:

[(1, 156940822520), (2, 78470411260), (4, 39235205630), (5, 31388164504), (8, 19617602815), (10, 15694082252), (20, 7847041126), (40, 3923520563), (71, 2210434120), (142, 1105217060), (284, 552608530), (355, 442086824), (379, 414091880), (568, 276304265), (710, 221043412), (758, 207045940), (1420, 110521706), (1516, 103522970), (1895, 82818376), (2840, 55260853), (3032, 51761485), (3790, 41409188), (7580, 20704594), (15160, 10352297), (26909, 5832280), (53818, 2916140), (107636, 1458070), (134545, 1166456), (145807, 1076360), (215272, 729035), (269090, 583228), (291614, 538180)]