205785840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65957}}^1$

素因数の和:65986

約数の個数: 80

約数和(自身を含む): 687018528

約数和(自身を除く): 481232688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 65957, 131914, 197871, 263828, 329785, 395742, 527656, 659570, 791484, 857441, 989355, 1055312, 1319140, 1582968, 1714882, 1978710, 2572323, 2638280, 3165936, 3429764, 3957420, 4287205, 5144646, 5276560, 6859528, 7914840, 8574410, 10289292, 12861615, 13719056, 15829680, 17148820, 20578584, 25723230, 34297640, 41157168, 51446460, 68595280, 102892920, 205785840]

約数ペア:

[(1, 205785840), (2, 102892920), (3, 68595280), (4, 51446460), (5, 41157168), (6, 34297640), (8, 25723230), (10, 20578584), (12, 17148820), (13, 15829680), (15, 13719056), (16, 12861615), (20, 10289292), (24, 8574410), (26, 7914840), (30, 6859528), (39, 5276560), (40, 5144646), (48, 4287205), (52, 3957420), (60, 3429764), (65, 3165936), (78, 2638280), (80, 2572323), (104, 1978710), (120, 1714882), (130, 1582968), (156, 1319140), (195, 1055312), (208, 989355), (240, 857441), (260, 791484), (312, 659570), (390, 527656), (520, 395742), (624, 329785), (780, 263828), (1040, 197871), (1560, 131914), (3120, 65957)]