68712800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{6607}}^1$

素因数の和:6640

約数の個数: 72

約数和(自身を含む): 180675936

約数和(自身を除く): 111963136

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 160, 200, 208, 260, 325, 400, 416, 520, 650, 800, 1040, 1300, 2080, 2600, 5200, 6607, 10400, 13214, 26428, 33035, 52856, 66070, 85891, 105712, 132140, 165175, 171782, 211424, 264280, 330350, 343564, 429455, 528560, 660700, 687128, 858910, 1057120, 1321400, 1374256, 1717820, 2147275, 2642800, 2748512, 3435640, 4294550, 5285600, 6871280, 8589100, 13742560, 17178200, 34356400, 68712800]

約数ペア:

[(1, 68712800), (2, 34356400), (4, 17178200), (5, 13742560), (8, 8589100), (10, 6871280), (13, 5285600), (16, 4294550), (20, 3435640), (25, 2748512), (26, 2642800), (32, 2147275), (40, 1717820), (50, 1374256), (52, 1321400), (65, 1057120), (80, 858910), (100, 687128), (104, 660700), (130, 528560), (160, 429455), (200, 343564), (208, 330350), (260, 264280), (325, 211424), (400, 171782), (416, 165175), (520, 132140), (650, 105712), (800, 85891), (1040, 66070), (1300, 52856), (2080, 33035), (2600, 26428), (5200, 13214), (6607, 10400)]