123388440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{146891}}^1$

素因数の和:146912

約数の個数: 64

約数和(自身を含む): 423048960

約数和(自身を除く): 299660520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 146891, 293782, 440673, 587564, 734455, 881346, 1028237, 1175128, 1468910, 1762692, 2056474, 2203365, 2937820, 3084711, 3525384, 4112948, 4406730, 5141185, 5875640, 6169422, 8225896, 8813460, 10282370, 12338844, 15423555, 17626920, 20564740, 24677688, 30847110, 41129480, 61694220, 123388440]

約数ペア:

[(1, 123388440), (2, 61694220), (3, 41129480), (4, 30847110), (5, 24677688), (6, 20564740), (7, 17626920), (8, 15423555), (10, 12338844), (12, 10282370), (14, 8813460), (15, 8225896), (20, 6169422), (21, 5875640), (24, 5141185), (28, 4406730), (30, 4112948), (35, 3525384), (40, 3084711), (42, 2937820), (56, 2203365), (60, 2056474), (70, 1762692), (84, 1468910), (105, 1175128), (120, 1028237), (140, 881346), (168, 734455), (210, 587564), (280, 440673), (420, 293782), (840, 146891)]