81186030

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1511}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 217728000

約数和(自身を除く): 136541970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 199, 270, 398, 597, 995, 1194, 1511, 1791, 1990, 2985, 3022, 3582, 4533, 5373, 5970, 7555, 8955, 9066, 10746, 13599, 15110, 17910, 22665, 26865, 27198, 40797, 45330, 53730, 67995, 81594, 135990, 203985, 300689, 407970, 601378, 902067, 1503445, 1804134, 2706201, 3006890, 4510335, 5412402, 8118603, 9020670, 13531005, 16237206, 27062010, 40593015, 81186030]

約数ペア:

[(1, 81186030), (2, 40593015), (3, 27062010), (5, 16237206), (6, 13531005), (9, 9020670), (10, 8118603), (15, 5412402), (18, 4510335), (27, 3006890), (30, 2706201), (45, 1804134), (54, 1503445), (90, 902067), (135, 601378), (199, 407970), (270, 300689), (398, 203985), (597, 135990), (995, 81594), (1194, 67995), (1511, 53730), (1791, 45330), (1990, 40797), (2985, 27198), (3022, 26865), (3582, 22665), (4533, 17910), (5373, 15110), (5970, 13599), (7555, 10746), (8955, 9066)]