205208040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{39769}}^1$

素因数の和:39826

約数の個数: 64

約数和(自身を含む): 629956800

約数和(自身を除く): 424748760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 39769, 79538, 119307, 159076, 198845, 238614, 318152, 397690, 477228, 596535, 795380, 954456, 1193070, 1590760, 1710067, 2386140, 3420134, 4772280, 5130201, 6840268, 8550335, 10260402, 13680536, 17100670, 20520804, 25651005, 34201340, 41041608, 51302010, 68402680, 102604020, 205208040]

約数ペア:

[(1, 205208040), (2, 102604020), (3, 68402680), (4, 51302010), (5, 41041608), (6, 34201340), (8, 25651005), (10, 20520804), (12, 17100670), (15, 13680536), (20, 10260402), (24, 8550335), (30, 6840268), (40, 5130201), (43, 4772280), (60, 3420134), (86, 2386140), (120, 1710067), (129, 1590760), (172, 1193070), (215, 954456), (258, 795380), (344, 596535), (430, 477228), (516, 397690), (645, 318152), (860, 238614), (1032, 198845), (1290, 159076), (1720, 119307), (2580, 79538), (5160, 39769)]