31639530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2671

約数の個数: 64

約数和(自身を含む): 84446208

約数和(自身を除く): 52806678

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 62, 65, 78, 93, 130, 155, 186, 195, 310, 390, 403, 465, 806, 930, 1209, 2015, 2418, 2617, 4030, 5234, 6045, 7851, 12090, 13085, 15702, 26170, 34021, 39255, 68042, 78510, 81127, 102063, 162254, 170105, 204126, 243381, 340210, 405635, 486762, 510315, 811270, 1020630, 1054651, 1216905, 2109302, 2433810, 3163953, 5273255, 6327906, 10546510, 15819765, 31639530]

約数ペア:

[(1, 31639530), (2, 15819765), (3, 10546510), (5, 6327906), (6, 5273255), (10, 3163953), (13, 2433810), (15, 2109302), (26, 1216905), (30, 1054651), (31, 1020630), (39, 811270), (62, 510315), (65, 486762), (78, 405635), (93, 340210), (130, 243381), (155, 204126), (186, 170105), (195, 162254), (310, 102063), (390, 81127), (403, 78510), (465, 68042), (806, 39255), (930, 34021), (1209, 26170), (2015, 15702), (2418, 13085), (2617, 12090), (4030, 7851), (5234, 6045)]