56918940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72973}}^1$

素因数の和:72998

約数の個数: 48

約数和(自身を含む): 171634848

約数和(自身を除く): 114715908

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, 72973, 145946, 218919, 291892, 364865, 437838, 729730, 875676, 948649, 1094595, 1459460, 1897298, 2189190, 2845947, 3794596, 4378380, 4743245, 5691894, 9486490, 11383788, 14229735, 18972980, 28459470, 56918940]

約数ペア:

[(1, 56918940), (2, 28459470), (3, 18972980), (4, 14229735), (5, 11383788), (6, 9486490), (10, 5691894), (12, 4743245), (13, 4378380), (15, 3794596), (20, 2845947), (26, 2189190), (30, 1897298), (39, 1459460), (52, 1094595), (60, 948649), (65, 875676), (78, 729730), (130, 437838), (156, 364865), (195, 291892), (260, 218919), (390, 145946), (780, 72973)]