123561990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6269}}^1$

素因数の和:6358

約数の個数: 64

約数和(自身を含む): 334065600

約数和(自身を除く): 210503610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 73, 90, 135, 146, 219, 270, 365, 438, 657, 730, 1095, 1314, 1971, 2190, 3285, 3942, 6269, 6570, 9855, 12538, 18807, 19710, 31345, 37614, 56421, 62690, 94035, 112842, 169263, 188070, 282105, 338526, 457637, 564210, 846315, 915274, 1372911, 1692630, 2288185, 2745822, 4118733, 4576370, 6864555, 8237466, 12356199, 13729110, 20593665, 24712398, 41187330, 61780995, 123561990]

約数ペア:

[(1, 123561990), (2, 61780995), (3, 41187330), (5, 24712398), (6, 20593665), (9, 13729110), (10, 12356199), (15, 8237466), (18, 6864555), (27, 4576370), (30, 4118733), (45, 2745822), (54, 2288185), (73, 1692630), (90, 1372911), (135, 915274), (146, 846315), (219, 564210), (270, 457637), (365, 338526), (438, 282105), (657, 188070), (730, 169263), (1095, 112842), (1314, 94035), (1971, 62690), (2190, 56421), (3285, 37614), (3942, 31345), (6269, 19710), (6570, 18807), (9855, 12538)]