204882960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19853}}^1$

素因数の和:19912

約数の個数: 80

約数和(自身を含む): 649940544

約数和(自身を除く): 445057584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 10320, 19853, 39706, 59559, 79412, 99265, 119118, 158824, 198530, 238236, 297795, 317648, 397060, 476472, 595590, 794120, 853679, 952944, 1191180, 1588240, 1707358, 2382360, 2561037, 3414716, 4268395, 4764720, 5122074, 6829432, 8536790, 10244148, 12805185, 13658864, 17073580, 20488296, 25610370, 34147160, 40976592, 51220740, 68294320, 102441480, 204882960]

約数ペア:

[(1, 204882960), (2, 102441480), (3, 68294320), (4, 51220740), (5, 40976592), (6, 34147160), (8, 25610370), (10, 20488296), (12, 17073580), (15, 13658864), (16, 12805185), (20, 10244148), (24, 8536790), (30, 6829432), (40, 5122074), (43, 4764720), (48, 4268395), (60, 3414716), (80, 2561037), (86, 2382360), (120, 1707358), (129, 1588240), (172, 1191180), (215, 952944), (240, 853679), (258, 794120), (344, 595590), (430, 476472), (516, 397060), (645, 317648), (688, 297795), (860, 238236), (1032, 198530), (1290, 158824), (1720, 119118), (2064, 99265), (2580, 79412), (3440, 59559), (5160, 39706), (10320, 19853)]