31162020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 93477888

約数和(自身を除く): 62315868

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 137, 170, 204, 223, 255, 274, 340, 411, 446, 510, 548, 669, 685, 822, 892, 1020, 1115, 1338, 1370, 1644, 2055, 2230, 2329, 2676, 2740, 3345, 3791, 4110, 4460, 4658, 6690, 6987, 7582, 8220, 9316, 11373, 11645, 13380, 13974, 15164, 18955, 22746, 23290, 27948, 30551, 34935, 37910, 45492, 46580, 56865, 61102, 69870, 75820, 91653, 113730, 122204, 139740, 152755, 183306, 227460, 305510, 366612, 458265, 519367, 611020, 916530, 1038734, 1558101, 1833060, 2077468, 2596835, 3116202, 5193670, 6232404, 7790505, 10387340, 15581010, 31162020]

約数ペア:

[(1, 31162020), (2, 15581010), (3, 10387340), (4, 7790505), (5, 6232404), (6, 5193670), (10, 3116202), (12, 2596835), (15, 2077468), (17, 1833060), (20, 1558101), (30, 1038734), (34, 916530), (51, 611020), (60, 519367), (68, 458265), (85, 366612), (102, 305510), (137, 227460), (170, 183306), (204, 152755), (223, 139740), (255, 122204), (274, 113730), (340, 91653), (411, 75820), (446, 69870), (510, 61102), (548, 56865), (669, 46580), (685, 45492), (822, 37910), (892, 34935), (1020, 30551), (1115, 27948), (1338, 23290), (1370, 22746), (1644, 18955), (2055, 15164), (2230, 13974), (2329, 13380), (2676, 11645), (2740, 11373), (3345, 9316), (3791, 8220), (4110, 7582), (4460, 6987), (4658, 6690)]