639248880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{56671}}^1$

素因数の和:56734

約数の個数: 80

約数和(自身を含む): 2023870464

約数和(自身を除く): 1384621584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 56671, 113342, 170013, 226684, 283355, 340026, 453368, 566710, 680052, 850065, 906736, 1133420, 1360104, 1700130, 2266840, 2663537, 2720208, 3400260, 4533680, 5327074, 6800520, 7990611, 10654148, 13317685, 13601040, 15981222, 21308296, 26635370, 31962444, 39953055, 42616592, 53270740, 63924888, 79906110, 106541480, 127849776, 159812220, 213082960, 319624440, 639248880]

約数ペア:

[(1, 639248880), (2, 319624440), (3, 213082960), (4, 159812220), (5, 127849776), (6, 106541480), (8, 79906110), (10, 63924888), (12, 53270740), (15, 42616592), (16, 39953055), (20, 31962444), (24, 26635370), (30, 21308296), (40, 15981222), (47, 13601040), (48, 13317685), (60, 10654148), (80, 7990611), (94, 6800520), (120, 5327074), (141, 4533680), (188, 3400260), (235, 2720208), (240, 2663537), (282, 2266840), (376, 1700130), (470, 1360104), (564, 1133420), (705, 906736), (752, 850065), (940, 680052), (1128, 566710), (1410, 453368), (1880, 340026), (2256, 283355), (2820, 226684), (3760, 170013), (5640, 113342), (11280, 56671)]