31620810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 82736640

約数和(自身を除く): 51115830

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 89, 130, 178, 195, 267, 390, 445, 534, 890, 911, 1157, 1335, 1822, 2314, 2670, 2733, 3471, 4555, 5466, 5785, 6942, 9110, 11570, 11843, 13665, 17355, 23686, 27330, 34710, 35529, 59215, 71058, 81079, 118430, 162158, 177645, 243237, 355290, 405395, 486474, 810790, 1054027, 1216185, 2108054, 2432370, 3162081, 5270135, 6324162, 10540270, 15810405, 31620810]

約数ペア:

[(1, 31620810), (2, 15810405), (3, 10540270), (5, 6324162), (6, 5270135), (10, 3162081), (13, 2432370), (15, 2108054), (26, 1216185), (30, 1054027), (39, 810790), (65, 486474), (78, 405395), (89, 355290), (130, 243237), (178, 177645), (195, 162158), (267, 118430), (390, 81079), (445, 71058), (534, 59215), (890, 35529), (911, 34710), (1157, 27330), (1335, 23686), (1822, 17355), (2314, 13665), (2670, 11843), (2733, 11570), (3471, 9110), (4555, 6942), (5466, 5785)]