265177720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2707}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 623923200

約数和(自身を除く): 358745480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 79, 124, 155, 158, 248, 310, 316, 395, 620, 632, 790, 1240, 1580, 2449, 2707, 3160, 4898, 5414, 9796, 10828, 12245, 13535, 19592, 21656, 24490, 27070, 48980, 54140, 83917, 97960, 108280, 167834, 213853, 335668, 419585, 427706, 671336, 839170, 855412, 1069265, 1678340, 1710824, 2138530, 3356680, 4277060, 6629443, 8554120, 13258886, 26517772, 33147215, 53035544, 66294430, 132588860, 265177720]

約数ペア:

[(1, 265177720), (2, 132588860), (4, 66294430), (5, 53035544), (8, 33147215), (10, 26517772), (20, 13258886), (31, 8554120), (40, 6629443), (62, 4277060), (79, 3356680), (124, 2138530), (155, 1710824), (158, 1678340), (248, 1069265), (310, 855412), (316, 839170), (395, 671336), (620, 427706), (632, 419585), (790, 335668), (1240, 213853), (1580, 167834), (2449, 108280), (2707, 97960), (3160, 83917), (4898, 54140), (5414, 48980), (9796, 27070), (10828, 24490), (12245, 21656), (13535, 19592)]