128832920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1\times {\mathrm{599}}^1$

素因数の和:912

約数の個数: 64

約数和(自身を含む): 306720000

約数和(自身を除く): 177887080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 283, 380, 566, 599, 760, 1132, 1198, 1415, 2264, 2396, 2830, 2995, 4792, 5377, 5660, 5990, 10754, 11320, 11381, 11980, 21508, 22762, 23960, 26885, 43016, 45524, 53770, 56905, 91048, 107540, 113810, 169517, 215080, 227620, 339034, 455240, 678068, 847585, 1356136, 1695170, 3220823, 3390340, 6441646, 6780680, 12883292, 16104115, 25766584, 32208230, 64416460, 128832920]

約数ペア:

[(1, 128832920), (2, 64416460), (4, 32208230), (5, 25766584), (8, 16104115), (10, 12883292), (19, 6780680), (20, 6441646), (38, 3390340), (40, 3220823), (76, 1695170), (95, 1356136), (152, 847585), (190, 678068), (283, 455240), (380, 339034), (566, 227620), (599, 215080), (760, 169517), (1132, 113810), (1198, 107540), (1415, 91048), (2264, 56905), (2396, 53770), (2830, 45524), (2995, 43016), (4792, 26885), (5377, 23960), (5660, 22762), (5990, 21508), (10754, 11980), (11320, 11381)]