12316980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15791}}^1$

素因数の和:15816

約数の個数: 48

約数和(自身を含む): 37142784

約数和(自身を除く): 24825804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 15791, 31582, 47373, 63164, 78955, 94746, 157910, 189492, 205283, 236865, 315820, 410566, 473730, 615849, 821132, 947460, 1026415, 1231698, 2052830, 2463396, 3079245, 4105660, 6158490, 12316980]

約数ペア:

[(1, 12316980), (2, 6158490), (3, 4105660), (4, 3079245), (5, 2463396), (6, 2052830), (10, 1231698), (12, 1026415), (13, 947460), (15, 821132), (20, 615849), (26, 473730), (30, 410566), (39, 315820), (52, 236865), (60, 205283), (65, 189492), (78, 157910), (130, 94746), (156, 78955), (195, 63164), (260, 47373), (390, 31582), (780, 15791)]