85711590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{991}}^1$

素因数の和:1066

約数の個数: 72

約数和(自身を含む): 230503104

約数和(自身を除く): 144791514

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 961, 991, 1395, 1922, 1982, 2790, 2883, 2973, 4805, 4955, 5766, 5946, 8649, 8919, 9610, 9910, 14415, 14865, 17298, 17838, 28830, 29730, 30721, 43245, 44595, 61442, 86490, 89190, 92163, 153605, 184326, 276489, 307210, 460815, 552978, 921630, 952351, 1382445, 1904702, 2764890, 2857053, 4761755, 5714106, 8571159, 9523510, 14285265, 17142318, 28570530, 42855795, 85711590]

約数ペア:

[(1, 85711590), (2, 42855795), (3, 28570530), (5, 17142318), (6, 14285265), (9, 9523510), (10, 8571159), (15, 5714106), (18, 4761755), (30, 2857053), (31, 2764890), (45, 1904702), (62, 1382445), (90, 952351), (93, 921630), (155, 552978), (186, 460815), (279, 307210), (310, 276489), (465, 184326), (558, 153605), (930, 92163), (961, 89190), (991, 86490), (1395, 61442), (1922, 44595), (1982, 43245), (2790, 30721), (2883, 29730), (2973, 28830), (4805, 17838), (4955, 17298), (5766, 14865), (5946, 14415), (8649, 9910), (8919, 9610)]