128575890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{2393}}^1$

素因数の和:2608

約数の個数: 64

約数和(自身を含む): 344736000

約数和(自身を除く): 216160110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 199, 270, 398, 597, 995, 1194, 1791, 1990, 2393, 2985, 3582, 4786, 5373, 5970, 7179, 8955, 10746, 11965, 14358, 17910, 21537, 23930, 26865, 35895, 43074, 53730, 64611, 71790, 107685, 129222, 215370, 323055, 476207, 646110, 952414, 1428621, 2381035, 2857242, 4285863, 4762070, 7143105, 8571726, 12857589, 14286210, 21429315, 25715178, 42858630, 64287945, 128575890]

約数ペア:

[(1, 128575890), (2, 64287945), (3, 42858630), (5, 25715178), (6, 21429315), (9, 14286210), (10, 12857589), (15, 8571726), (18, 7143105), (27, 4762070), (30, 4285863), (45, 2857242), (54, 2381035), (90, 1428621), (135, 952414), (199, 646110), (270, 476207), (398, 323055), (597, 215370), (995, 129222), (1194, 107685), (1791, 71790), (1990, 64611), (2393, 53730), (2985, 43074), (3582, 35895), (4786, 26865), (5373, 23930), (5970, 21537), (7179, 17910), (8955, 14358), (10746, 11965)]