8168940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3491}}^1$

素因数の和:3519

約数の個数: 72

約数和(自身を含む): 26692848

約数和(自身を除く): 18523908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 3491, 6982, 10473, 13964, 17455, 20946, 31419, 34910, 41892, 45383, 52365, 62838, 69820, 90766, 104730, 125676, 136149, 157095, 181532, 209460, 226915, 272298, 314190, 408447, 453830, 544596, 628380, 680745, 816894, 907660, 1361490, 1633788, 2042235, 2722980, 4084470, 8168940]

約数ペア:

[(1, 8168940), (2, 4084470), (3, 2722980), (4, 2042235), (5, 1633788), (6, 1361490), (9, 907660), (10, 816894), (12, 680745), (13, 628380), (15, 544596), (18, 453830), (20, 408447), (26, 314190), (30, 272298), (36, 226915), (39, 209460), (45, 181532), (52, 157095), (60, 136149), (65, 125676), (78, 104730), (90, 90766), (117, 69820), (130, 62838), (156, 52365), (180, 45383), (195, 41892), (234, 34910), (260, 31419), (390, 20946), (468, 17455), (585, 13964), (780, 10473), (1170, 6982), (2340, 3491)]