123348120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{146843}}^1$

素因数の和:146864

約数の個数: 64

約数和(自身を含む): 422910720

約数和(自身を除く): 299562600

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, 146843, 293686, 440529, 587372, 734215, 881058, 1027901, 1174744, 1468430, 1762116, 2055802, 2202645, 2936860, 3083703, 3524232, 4111604, 4405290, 5139505, 5873720, 6167406, 8223208, 8810580, 10279010, 12334812, 15418515, 17621160, 20558020, 24669624, 30837030, 41116040, 61674060, 123348120]

約数ペア:

[(1, 123348120), (2, 61674060), (3, 41116040), (4, 30837030), (5, 24669624), (6, 20558020), (7, 17621160), (8, 15418515), (10, 12334812), (12, 10279010), (14, 8810580), (15, 8223208), (20, 6167406), (21, 5873720), (24, 5139505), (28, 4405290), (30, 4111604), (35, 3524232), (40, 3083703), (42, 2936860), (56, 2202645), (60, 2055802), (70, 1762116), (84, 1468430), (105, 1174744), (120, 1027901), (140, 881058), (168, 734215), (210, 587372), (280, 440529), (420, 293686), (840, 146843)]