123235920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{171161}}^1$

素因数の和:171180

約数の個数: 60

約数和(自身を含む): 413869716

約数和(自身を除く): 290633796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 171161, 342322, 513483, 684644, 855805, 1026966, 1369288, 1540449, 1711610, 2053932, 2567415, 2738576, 3080898, 3423220, 4107864, 5134830, 6161796, 6846440, 7702245, 8215728, 10269660, 12323592, 13692880, 15404490, 20539320, 24647184, 30808980, 41078640, 61617960, 123235920]

約数ペア:

[(1, 123235920), (2, 61617960), (3, 41078640), (4, 30808980), (5, 24647184), (6, 20539320), (8, 15404490), (9, 13692880), (10, 12323592), (12, 10269660), (15, 8215728), (16, 7702245), (18, 6846440), (20, 6161796), (24, 5134830), (30, 4107864), (36, 3423220), (40, 3080898), (45, 2738576), (48, 2567415), (60, 2053932), (72, 1711610), (80, 1540449), (90, 1369288), (120, 1026966), (144, 855805), (180, 684644), (240, 513483), (360, 342322), (720, 171161)]