15679898440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{409}}^1\times {\mathrm{13499}}^1$

素因数の和:13990

約数の個数: 64

約数和(自身を含む): 35866800000

約数和(自身を除く): 20186901560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 409, 568, 710, 818, 1420, 1636, 2045, 2840, 3272, 4090, 8180, 13499, 16360, 26998, 29039, 53996, 58078, 67495, 107992, 116156, 134990, 145195, 232312, 269980, 290390, 539960, 580780, 958429, 1161560, 1916858, 3833716, 4792145, 5521091, 7667432, 9584290, 11042182, 19168580, 22084364, 27605455, 38337160, 44168728, 55210910, 110421820, 220843640, 391997461, 783994922, 1567989844, 1959987305, 3135979688, 3919974610, 7839949220, 15679898440]

約数ペア:

[(1, 15679898440), (2, 7839949220), (4, 3919974610), (5, 3135979688), (8, 1959987305), (10, 1567989844), (20, 783994922), (40, 391997461), (71, 220843640), (142, 110421820), (284, 55210910), (355, 44168728), (409, 38337160), (568, 27605455), (710, 22084364), (818, 19168580), (1420, 11042182), (1636, 9584290), (2045, 7667432), (2840, 5521091), (3272, 4792145), (4090, 3833716), (8180, 1916858), (13499, 1161560), (16360, 958429), (26998, 580780), (29039, 539960), (53996, 290390), (58078, 269980), (67495, 232312), (107992, 145195), (116156, 134990)]