1265103640

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{2269}}^1$

素因数の和:2596

約数の個数: 64

約数和(自身を含む): 2912500800

約数和(自身を除く): 1647397160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 263, 265, 424, 526, 530, 1052, 1060, 1315, 2104, 2120, 2269, 2630, 4538, 5260, 9076, 10520, 11345, 13939, 18152, 22690, 27878, 45380, 55756, 69695, 90760, 111512, 120257, 139390, 240514, 278780, 481028, 557560, 596747, 601285, 962056, 1193494, 1202570, 2386988, 2405140, 2983735, 4773976, 4810280, 5967470, 11934940, 23869880, 31627591, 63255182, 126510364, 158137955, 253020728, 316275910, 632551820, 1265103640]

約数ペア:

[(1, 1265103640), (2, 632551820), (4, 316275910), (5, 253020728), (8, 158137955), (10, 126510364), (20, 63255182), (40, 31627591), (53, 23869880), (106, 11934940), (212, 5967470), (263, 4810280), (265, 4773976), (424, 2983735), (526, 2405140), (530, 2386988), (1052, 1202570), (1060, 1193494), (1315, 962056), (2104, 601285), (2120, 596747), (2269, 557560), (2630, 481028), (4538, 278780), (5260, 240514), (9076, 139390), (10520, 120257), (11345, 111512), (13939, 90760), (18152, 69695), (22690, 55756), (27878, 45380)]