81342630

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{233}}^1\times {\mathrm{431}}^1$

素因数の和:683

約数の個数: 80

約数和(自身を含む): 220169664

約数和(自身を除く): 138827034

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 233, 270, 405, 431, 466, 699, 810, 862, 1165, 1293, 1398, 2097, 2155, 2330, 2586, 3495, 3879, 4194, 4310, 6291, 6465, 6990, 7758, 10485, 11637, 12582, 12930, 18873, 19395, 20970, 23274, 31455, 34911, 37746, 38790, 58185, 62910, 69822, 94365, 100423, 116370, 174555, 188730, 200846, 301269, 349110, 502115, 602538, 903807, 1004230, 1506345, 1807614, 2711421, 3012690, 4519035, 5422842, 8134263, 9038070, 13557105, 16268526, 27114210, 40671315, 81342630]

約数ペア:

[(1, 81342630), (2, 40671315), (3, 27114210), (5, 16268526), (6, 13557105), (9, 9038070), (10, 8134263), (15, 5422842), (18, 4519035), (27, 3012690), (30, 2711421), (45, 1807614), (54, 1506345), (81, 1004230), (90, 903807), (135, 602538), (162, 502115), (233, 349110), (270, 301269), (405, 200846), (431, 188730), (466, 174555), (699, 116370), (810, 100423), (862, 94365), (1165, 69822), (1293, 62910), (1398, 58185), (2097, 38790), (2155, 37746), (2330, 34911), (2586, 31455), (3495, 23274), (3879, 20970), (4194, 19395), (4310, 18873), (6291, 12930), (6465, 12582), (6990, 11637), (7758, 10485)]