155763640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2857}}^1$

素因数の和:2944

約数の個数: 64

約数和(自身を含む): 370396800

約数和(自身を除く): 214633160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 188, 232, 235, 290, 376, 470, 580, 940, 1160, 1363, 1880, 2726, 2857, 5452, 5714, 6815, 10904, 11428, 13630, 14285, 22856, 27260, 28570, 54520, 57140, 82853, 114280, 134279, 165706, 268558, 331412, 414265, 537116, 662824, 671395, 828530, 1074232, 1342790, 1657060, 2685580, 3314120, 3894091, 5371160, 7788182, 15576364, 19470455, 31152728, 38940910, 77881820, 155763640]

約数ペア:

[(1, 155763640), (2, 77881820), (4, 38940910), (5, 31152728), (8, 19470455), (10, 15576364), (20, 7788182), (29, 5371160), (40, 3894091), (47, 3314120), (58, 2685580), (94, 1657060), (116, 1342790), (145, 1074232), (188, 828530), (232, 671395), (235, 662824), (290, 537116), (376, 414265), (470, 331412), (580, 268558), (940, 165706), (1160, 134279), (1363, 114280), (1880, 82853), (2726, 57140), (2857, 54520), (5452, 28570), (5714, 27260), (6815, 22856), (10904, 14285), (11428, 13630)]