1026840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 3168000

約数和(自身を除く): 2141160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 199, 215, 258, 344, 398, 430, 516, 597, 645, 796, 860, 995, 1032, 1194, 1290, 1592, 1720, 1990, 2388, 2580, 2985, 3980, 4776, 5160, 5970, 7960, 8557, 11940, 17114, 23880, 25671, 34228, 42785, 51342, 68456, 85570, 102684, 128355, 171140, 205368, 256710, 342280, 513420, 1026840]

約数ペア:

[(1, 1026840), (2, 513420), (3, 342280), (4, 256710), (5, 205368), (6, 171140), (8, 128355), (10, 102684), (12, 85570), (15, 68456), (20, 51342), (24, 42785), (30, 34228), (40, 25671), (43, 23880), (60, 17114), (86, 11940), (120, 8557), (129, 7960), (172, 5970), (199, 5160), (215, 4776), (258, 3980), (344, 2985), (398, 2580), (430, 2388), (516, 1990), (597, 1720), (645, 1592), (796, 1290), (860, 1194), (995, 1032)]