72295720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8329}}^1$

素因数の和:8378

約数の個数: 64

約数和(自身を含む): 191923200

約数和(自身を除く): 119627480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8329, 8680, 16658, 33316, 41645, 58303, 66632, 83290, 116606, 166580, 233212, 258199, 291515, 333160, 466424, 516398, 583030, 1032796, 1166060, 1290995, 1807393, 2065592, 2332120, 2581990, 3614786, 5163980, 7229572, 9036965, 10327960, 14459144, 18073930, 36147860, 72295720]

約数ペア:

[(1, 72295720), (2, 36147860), (4, 18073930), (5, 14459144), (7, 10327960), (8, 9036965), (10, 7229572), (14, 5163980), (20, 3614786), (28, 2581990), (31, 2332120), (35, 2065592), (40, 1807393), (56, 1290995), (62, 1166060), (70, 1032796), (124, 583030), (140, 516398), (155, 466424), (217, 333160), (248, 291515), (280, 258199), (310, 233212), (434, 166580), (620, 116606), (868, 83290), (1085, 66632), (1240, 58303), (1736, 41645), (2170, 33316), (4340, 16658), (8329, 8680)]