71325280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 96

約数和(自身を含む): 185177664

約数和(自身を除く): 113852384

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 416, 424, 520, 530, 647, 689, 848, 1040, 1060, 1294, 1378, 1696, 2080, 2120, 2588, 2756, 3235, 3445, 4240, 5176, 5512, 6470, 6890, 8411, 8480, 10352, 11024, 12940, 13780, 16822, 20704, 22048, 25880, 27560, 33644, 34291, 42055, 51760, 55120, 67288, 68582, 84110, 103520, 110240, 134576, 137164, 168220, 171455, 269152, 274328, 336440, 342910, 445783, 548656, 672880, 685820, 891566, 1097312, 1345760, 1371640, 1783132, 2228915, 2743280, 3566264, 4457830, 5486560, 7132528, 8915660, 14265056, 17831320, 35662640, 71325280]

約数ペア:

[(1, 71325280), (2, 35662640), (4, 17831320), (5, 14265056), (8, 8915660), (10, 7132528), (13, 5486560), (16, 4457830), (20, 3566264), (26, 2743280), (32, 2228915), (40, 1783132), (52, 1371640), (53, 1345760), (65, 1097312), (80, 891566), (104, 685820), (106, 672880), (130, 548656), (160, 445783), (208, 342910), (212, 336440), (260, 274328), (265, 269152), (416, 171455), (424, 168220), (520, 137164), (530, 134576), (647, 110240), (689, 103520), (848, 84110), (1040, 68582), (1060, 67288), (1294, 55120), (1378, 51760), (1696, 42055), (2080, 34291), (2120, 33644), (2588, 27560), (2756, 25880), (3235, 22048), (3445, 20704), (4240, 16822), (5176, 13780), (5512, 12940), (6470, 11024), (6890, 10352), (8411, 8480)]