620286660

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{18233}}^1$

素因数の和:18264

約数の個数: 144

約数和(自身を含む): 2230091136

約数和(自身を除く): 1609804476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 17010, 18233, 34020, 36466, 54699, 72932, 91165, 109398, 127631, 164097, 182330, 218796, 255262, 273495, 328194, 364660, 382893, 492291, 510524, 546990, 638155, 656388, 765786, 820485, 984582, 1093980, 1148679, 1276310, 1476873, 1531572, 1640970, 1914465, 1969164, 2297358, 2461455, 2552620, 2953746, 3281940, 3446037, 3828930, 4430619, 4594716, 4922910, 5743395, 5907492, 6892074, 7384365, 7657860, 8861238, 9845820, 10338111, 11486790, 13784148, 14768730, 17230185, 17722476, 20676222, 22153095, 22973580, 29537460, 31014333, 34460370, 41352444, 44306190, 51690555, 62028666, 68920740, 88612380, 103381110, 124057332, 155071665, 206762220, 310143330, 620286660]

約数ペア:

[(1, 620286660), (2, 310143330), (3, 206762220), (4, 155071665), (5, 124057332), (6, 103381110), (7, 88612380), (9, 68920740), (10, 62028666), (12, 51690555), (14, 44306190), (15, 41352444), (18, 34460370), (20, 31014333), (21, 29537460), (27, 22973580), (28, 22153095), (30, 20676222), (35, 17722476), (36, 17230185), (42, 14768730), (45, 13784148), (54, 11486790), (60, 10338111), (63, 9845820), (70, 8861238), (81, 7657860), (84, 7384365), (90, 6892074), (105, 5907492), (108, 5743395), (126, 4922910), (135, 4594716), (140, 4430619), (162, 3828930), (180, 3446037), (189, 3281940), (210, 2953746), (243, 2552620), (252, 2461455), (270, 2297358), (315, 1969164), (324, 1914465), (378, 1640970), (405, 1531572), (420, 1476873), (486, 1276310), (540, 1148679), (567, 1093980), (630, 984582), (756, 820485), (810, 765786), (945, 656388), (972, 638155), (1134, 546990), (1215, 510524), (1260, 492291), (1620, 382893), (1701, 364660), (1890, 328194), (2268, 273495), (2430, 255262), (2835, 218796), (3402, 182330), (3780, 164097), (4860, 127631), (5670, 109398), (6804, 91165), (8505, 72932), (11340, 54699), (17010, 36466), (18233, 34020)]