204905040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27541}}^1$

素因数の和:27588

約数の個数: 80

約数和(自身を含む): 655719936

約数和(自身を除く): 450814896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 27541, 55082, 82623, 110164, 137705, 165246, 220328, 275410, 330492, 413115, 440656, 550820, 660984, 826230, 853771, 1101640, 1321968, 1652460, 1707542, 2203280, 2561313, 3304920, 3415084, 4268855, 5122626, 6609840, 6830168, 8537710, 10245252, 12806565, 13660336, 17075420, 20490504, 25613130, 34150840, 40981008, 51226260, 68301680, 102452520, 204905040]

約数ペア:

[(1, 204905040), (2, 102452520), (3, 68301680), (4, 51226260), (5, 40981008), (6, 34150840), (8, 25613130), (10, 20490504), (12, 17075420), (15, 13660336), (16, 12806565), (20, 10245252), (24, 8537710), (30, 6830168), (31, 6609840), (40, 5122626), (48, 4268855), (60, 3415084), (62, 3304920), (80, 2561313), (93, 2203280), (120, 1707542), (124, 1652460), (155, 1321968), (186, 1101640), (240, 853771), (248, 826230), (310, 660984), (372, 550820), (465, 440656), (496, 413115), (620, 330492), (744, 275410), (930, 220328), (1240, 165246), (1488, 137705), (1860, 110164), (2480, 82623), (3720, 55082), (7440, 27541)]