15845960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1038

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 23828920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 983, 1240, 1612, 1966, 2015, 3224, 3932, 4030, 4915, 7864, 8060, 9830, 12779, 16120, 19660, 25558, 30473, 39320, 51116, 60946, 63895, 102232, 121892, 127790, 152365, 243784, 255580, 304730, 396149, 511160, 609460, 792298, 1218920, 1584596, 1980745, 3169192, 3961490, 7922980, 15845960]

約数ペア:

[(1, 15845960), (2, 7922980), (4, 3961490), (5, 3169192), (8, 1980745), (10, 1584596), (13, 1218920), (20, 792298), (26, 609460), (31, 511160), (40, 396149), (52, 304730), (62, 255580), (65, 243784), (104, 152365), (124, 127790), (130, 121892), (155, 102232), (248, 63895), (260, 60946), (310, 51116), (403, 39320), (520, 30473), (620, 25558), (806, 19660), (983, 16120), (1240, 12779), (1612, 9830), (1966, 8060), (2015, 7864), (3224, 4915), (3932, 4030)]