31499220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:505

約数の個数: 96

約数和(自身を含む): 93582720

約数和(自身を除く): 62083500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 43, 58, 60, 86, 87, 116, 129, 145, 172, 174, 215, 258, 290, 348, 421, 430, 435, 516, 580, 645, 842, 860, 870, 1247, 1263, 1290, 1684, 1740, 2105, 2494, 2526, 2580, 3741, 4210, 4988, 5052, 6235, 6315, 7482, 8420, 12209, 12470, 12630, 14964, 18103, 18705, 24418, 24940, 25260, 36206, 36627, 37410, 48836, 54309, 61045, 72412, 73254, 74820, 90515, 108618, 122090, 146508, 181030, 183135, 217236, 244180, 271545, 362060, 366270, 524987, 543090, 732540, 1049974, 1086180, 1574961, 2099948, 2624935, 3149922, 5249870, 6299844, 7874805, 10499740, 15749610, 31499220]

約数ペア:

[(1, 31499220), (2, 15749610), (3, 10499740), (4, 7874805), (5, 6299844), (6, 5249870), (10, 3149922), (12, 2624935), (15, 2099948), (20, 1574961), (29, 1086180), (30, 1049974), (43, 732540), (58, 543090), (60, 524987), (86, 366270), (87, 362060), (116, 271545), (129, 244180), (145, 217236), (172, 183135), (174, 181030), (215, 146508), (258, 122090), (290, 108618), (348, 90515), (421, 74820), (430, 73254), (435, 72412), (516, 61045), (580, 54309), (645, 48836), (842, 37410), (860, 36627), (870, 36206), (1247, 25260), (1263, 24940), (1290, 24418), (1684, 18705), (1740, 18103), (2105, 14964), (2494, 12630), (2526, 12470), (2580, 12209), (3741, 8420), (4210, 7482), (4988, 6315), (5052, 6235)]