2720297988

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{33391}}^1$

素因数の和:33505

約数の個数: 72

約数和(自身を含む): 7195575296

約数和(自身を除く): 4475277308

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 73, 93, 124, 146, 186, 219, 279, 292, 372, 438, 558, 657, 876, 1116, 1314, 2263, 2628, 4526, 6789, 9052, 13578, 20367, 27156, 33391, 40734, 66782, 81468, 100173, 133564, 200346, 300519, 400692, 601038, 1035121, 1202076, 2070242, 2437543, 3105363, 4140484, 4875086, 6210726, 7312629, 9316089, 9750172, 12421452, 14625258, 18632178, 21937887, 29250516, 37264356, 43875774, 75563833, 87751548, 151127666, 226691499, 302255332, 453382998, 680074497, 906765996, 1360148994, 2720297988]

約数ペア:

[(1, 2720297988), (2, 1360148994), (3, 906765996), (4, 680074497), (6, 453382998), (9, 302255332), (12, 226691499), (18, 151127666), (31, 87751548), (36, 75563833), (62, 43875774), (73, 37264356), (93, 29250516), (124, 21937887), (146, 18632178), (186, 14625258), (219, 12421452), (279, 9750172), (292, 9316089), (372, 7312629), (438, 6210726), (558, 4875086), (657, 4140484), (876, 3105363), (1116, 2437543), (1314, 2070242), (2263, 1202076), (2628, 1035121), (4526, 601038), (6789, 400692), (9052, 300519), (13578, 200346), (20367, 133564), (27156, 100173), (33391, 81468), (40734, 66782)]