31390260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:461

約数の個数: 96

約数和(自身を含む): 96768000

約数和(自身を除く): 65377740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 199, 220, 239, 330, 398, 478, 597, 660, 717, 796, 956, 995, 1194, 1195, 1434, 1990, 2189, 2388, 2390, 2629, 2868, 2985, 3585, 3980, 4378, 4780, 5258, 5970, 6567, 7170, 7887, 8756, 10516, 10945, 11940, 13134, 13145, 14340, 15774, 21890, 26268, 26290, 31548, 32835, 39435, 43780, 47561, 52580, 65670, 78870, 95122, 131340, 142683, 157740, 190244, 237805, 285366, 475610, 523171, 570732, 713415, 951220, 1046342, 1426830, 1569513, 2092684, 2615855, 2853660, 3139026, 5231710, 6278052, 7847565, 10463420, 15695130, 31390260]

約数ペア:

[(1, 31390260), (2, 15695130), (3, 10463420), (4, 7847565), (5, 6278052), (6, 5231710), (10, 3139026), (11, 2853660), (12, 2615855), (15, 2092684), (20, 1569513), (22, 1426830), (30, 1046342), (33, 951220), (44, 713415), (55, 570732), (60, 523171), (66, 475610), (110, 285366), (132, 237805), (165, 190244), (199, 157740), (220, 142683), (239, 131340), (330, 95122), (398, 78870), (478, 65670), (597, 52580), (660, 47561), (717, 43780), (796, 39435), (956, 32835), (995, 31548), (1194, 26290), (1195, 26268), (1434, 21890), (1990, 15774), (2189, 14340), (2388, 13145), (2390, 13134), (2629, 11940), (2868, 10945), (2985, 10516), (3585, 8756), (3980, 7887), (4378, 7170), (4780, 6567), (5258, 5970)]