66875940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1867}}^1$

素因数の和:2081

約数の個数: 72

約数和(自身を含む): 203985600

約数和(自身を除く): 137109660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 398, 597, 796, 995, 1194, 1791, 1867, 1990, 2388, 2985, 3582, 3734, 3980, 5601, 5970, 7164, 7468, 8955, 9335, 11202, 11940, 16803, 17910, 18670, 22404, 28005, 33606, 35820, 37340, 56010, 67212, 84015, 112020, 168030, 336060, 371533, 743066, 1114599, 1486132, 1857665, 2229198, 3343797, 3715330, 4458396, 5572995, 6687594, 7430660, 11145990, 13375188, 16718985, 22291980, 33437970, 66875940]

約数ペア:

[(1, 66875940), (2, 33437970), (3, 22291980), (4, 16718985), (5, 13375188), (6, 11145990), (9, 7430660), (10, 6687594), (12, 5572995), (15, 4458396), (18, 3715330), (20, 3343797), (30, 2229198), (36, 1857665), (45, 1486132), (60, 1114599), (90, 743066), (180, 371533), (199, 336060), (398, 168030), (597, 112020), (796, 84015), (995, 67212), (1194, 56010), (1791, 37340), (1867, 35820), (1990, 33606), (2388, 28005), (2985, 22404), (3582, 18670), (3734, 17910), (3980, 16803), (5601, 11940), (5970, 11202), (7164, 9335), (7468, 8955)]