7987860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{223}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 24460800

約数和(自身を除く): 16472940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 223, 398, 446, 597, 669, 796, 892, 995, 1115, 1194, 1338, 1791, 1990, 2007, 2230, 2388, 2676, 2985, 3345, 3582, 3980, 4014, 4460, 5970, 6690, 7164, 8028, 8955, 10035, 11940, 13380, 17910, 20070, 35820, 40140, 44377, 88754, 133131, 177508, 221885, 266262, 399393, 443770, 532524, 665655, 798786, 887540, 1331310, 1597572, 1996965, 2662620, 3993930, 7987860]

約数ペア:

[(1, 7987860), (2, 3993930), (3, 2662620), (4, 1996965), (5, 1597572), (6, 1331310), (9, 887540), (10, 798786), (12, 665655), (15, 532524), (18, 443770), (20, 399393), (30, 266262), (36, 221885), (45, 177508), (60, 133131), (90, 88754), (180, 44377), (199, 40140), (223, 35820), (398, 20070), (446, 17910), (597, 13380), (669, 11940), (796, 10035), (892, 8955), (995, 8028), (1115, 7164), (1194, 6690), (1338, 5970), (1791, 4460), (1990, 4014), (2007, 3980), (2230, 3582), (2388, 3345), (2676, 2985)]