73971760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:638

約数の個数: 80

約数和(自身を含む): 184140000

約数和(自身を除く): 110168240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 340, 436, 499, 545, 680, 872, 998, 1090, 1360, 1744, 1853, 1996, 2180, 2495, 3706, 3992, 4360, 4990, 7412, 7984, 8483, 8720, 9265, 9980, 14824, 16966, 18530, 19960, 29648, 33932, 37060, 39920, 42415, 54391, 67864, 74120, 84830, 108782, 135728, 148240, 169660, 217564, 271955, 339320, 435128, 543910, 678640, 870256, 924647, 1087820, 1849294, 2175640, 3698588, 4351280, 4623235, 7397176, 9246470, 14794352, 18492940, 36985880, 73971760]

約数ペア:

[(1, 73971760), (2, 36985880), (4, 18492940), (5, 14794352), (8, 9246470), (10, 7397176), (16, 4623235), (17, 4351280), (20, 3698588), (34, 2175640), (40, 1849294), (68, 1087820), (80, 924647), (85, 870256), (109, 678640), (136, 543910), (170, 435128), (218, 339320), (272, 271955), (340, 217564), (436, 169660), (499, 148240), (545, 135728), (680, 108782), (872, 84830), (998, 74120), (1090, 67864), (1360, 54391), (1744, 42415), (1853, 39920), (1996, 37060), (2180, 33932), (2495, 29648), (3706, 19960), (3992, 18530), (4360, 16966), (4990, 14824), (7412, 9980), (7984, 9265), (8483, 8720)]