81210510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^2\times {\mathrm{179}}^1$

素因数の和:334

約数の個数: 72

約数和(自身を含む): 215359560

約数和(自身を除く): 134149050

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 179, 213, 355, 358, 426, 537, 639, 710, 895, 1065, 1074, 1278, 1611, 1790, 2130, 2685, 3195, 3222, 5041, 5370, 6390, 8055, 10082, 12709, 15123, 16110, 25205, 25418, 30246, 38127, 45369, 50410, 63545, 75615, 76254, 90738, 114381, 127090, 151230, 190635, 226845, 228762, 381270, 453690, 571905, 902339, 1143810, 1804678, 2707017, 4511695, 5414034, 8121051, 9023390, 13535085, 16242102, 27070170, 40605255, 81210510]

約数ペア:

[(1, 81210510), (2, 40605255), (3, 27070170), (5, 16242102), (6, 13535085), (9, 9023390), (10, 8121051), (15, 5414034), (18, 4511695), (30, 2707017), (45, 1804678), (71, 1143810), (90, 902339), (142, 571905), (179, 453690), (213, 381270), (355, 228762), (358, 226845), (426, 190635), (537, 151230), (639, 127090), (710, 114381), (895, 90738), (1065, 76254), (1074, 75615), (1278, 63545), (1611, 50410), (1790, 45369), (2130, 38127), (2685, 30246), (3195, 25418), (3222, 25205), (5041, 16110), (5370, 15123), (6390, 12709), (8055, 10082)]