31168020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1289}}^1$

素因数の和:1345

約数の個数: 96

約数和(自身を含む): 97090560

約数和(自身を除く): 65922540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1289, 1612, 1860, 2015, 2418, 2578, 3867, 4030, 4836, 5156, 6045, 6445, 7734, 8060, 12090, 12890, 15468, 16757, 19335, 24180, 25780, 33514, 38670, 39959, 50271, 67028, 77340, 79918, 83785, 100542, 119877, 159836, 167570, 199795, 201084, 239754, 251355, 335140, 399590, 479508, 502710, 519467, 599385, 799180, 1005420, 1038934, 1198770, 1558401, 2077868, 2397540, 2597335, 3116802, 5194670, 6233604, 7792005, 10389340, 15584010, 31168020]

約数ペア:

[(1, 31168020), (2, 15584010), (3, 10389340), (4, 7792005), (5, 6233604), (6, 5194670), (10, 3116802), (12, 2597335), (13, 2397540), (15, 2077868), (20, 1558401), (26, 1198770), (30, 1038934), (31, 1005420), (39, 799180), (52, 599385), (60, 519467), (62, 502710), (65, 479508), (78, 399590), (93, 335140), (124, 251355), (130, 239754), (155, 201084), (156, 199795), (186, 167570), (195, 159836), (260, 119877), (310, 100542), (372, 83785), (390, 79918), (403, 77340), (465, 67028), (620, 50271), (780, 39959), (806, 38670), (930, 33514), (1209, 25780), (1289, 24180), (1612, 19335), (1860, 16757), (2015, 15468), (2418, 12890), (2578, 12090), (3867, 8060), (4030, 7734), (4836, 6445), (5156, 6045)]