647790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 1838592

約数和(自身を除く): 1190802

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 22, 26, 30, 33, 39, 55, 65, 66, 78, 110, 130, 143, 151, 165, 195, 286, 302, 330, 390, 429, 453, 715, 755, 858, 906, 1430, 1510, 1661, 1963, 2145, 2265, 3322, 3926, 4290, 4530, 4983, 5889, 8305, 9815, 9966, 11778, 16610, 19630, 21593, 24915, 29445, 43186, 49830, 58890, 64779, 107965, 129558, 215930, 323895, 647790]

約数ペア:

[(1, 647790), (2, 323895), (3, 215930), (5, 129558), (6, 107965), (10, 64779), (11, 58890), (13, 49830), (15, 43186), (22, 29445), (26, 24915), (30, 21593), (33, 19630), (39, 16610), (55, 11778), (65, 9966), (66, 9815), (78, 8305), (110, 5889), (130, 4983), (143, 4530), (151, 4290), (165, 3926), (195, 3322), (286, 2265), (302, 2145), (330, 1963), (390, 1661), (429, 1510), (453, 1430), (715, 906), (755, 858)]