56278890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{991}}^1$

素因数の和:1635

約数の個数: 48

約数和(自身を含む): 146704896

約数和(自身を除く): 90426006

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 631, 991, 1262, 1893, 1982, 2973, 3155, 3786, 4955, 5679, 5946, 6310, 8919, 9465, 9910, 11358, 14865, 17838, 18930, 28395, 29730, 44595, 56790, 89190, 625321, 1250642, 1875963, 3126605, 3751926, 5627889, 6253210, 9379815, 11255778, 18759630, 28139445, 56278890]

約数ペア:

[(1, 56278890), (2, 28139445), (3, 18759630), (5, 11255778), (6, 9379815), (9, 6253210), (10, 5627889), (15, 3751926), (18, 3126605), (30, 1875963), (45, 1250642), (90, 625321), (631, 89190), (991, 56790), (1262, 44595), (1893, 29730), (1982, 28395), (2973, 18930), (3155, 17838), (3786, 14865), (4955, 11358), (5679, 9910), (5946, 9465), (6310, 8919)]