31137880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1579}}^1$

素因数の和:1636

約数の個数: 64

約数和(自身を含む): 76788000

約数和(自身を除く): 45650120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 116, 136, 145, 170, 232, 290, 340, 493, 580, 680, 986, 1160, 1579, 1972, 2465, 3158, 3944, 4930, 6316, 7895, 9860, 12632, 15790, 19720, 26843, 31580, 45791, 53686, 63160, 91582, 107372, 134215, 183164, 214744, 228955, 268430, 366328, 457910, 536860, 778447, 915820, 1073720, 1556894, 1831640, 3113788, 3892235, 6227576, 7784470, 15568940, 31137880]

約数ペア:

[(1, 31137880), (2, 15568940), (4, 7784470), (5, 6227576), (8, 3892235), (10, 3113788), (17, 1831640), (20, 1556894), (29, 1073720), (34, 915820), (40, 778447), (58, 536860), (68, 457910), (85, 366328), (116, 268430), (136, 228955), (145, 214744), (170, 183164), (232, 134215), (290, 107372), (340, 91582), (493, 63160), (580, 53686), (680, 45791), (986, 31580), (1160, 26843), (1579, 19720), (1972, 15790), (2465, 12632), (3158, 9860), (3944, 7895), (4930, 6316)]