254256240

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{151343}}^1$

素因数の和:151366

約数の個数: 80

約数和(自身を含む): 900799488

約数和(自身を除く): 646543248

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 151343, 302686, 454029, 605372, 756715, 908058, 1059401, 1210744, 1513430, 1816116, 2118802, 2270145, 2421488, 3026860, 3178203, 3632232, 4237604, 4540290, 5297005, 6053720, 6356406, 7264464, 8475208, 9080580, 10594010, 12107440, 12712812, 15891015, 16950416, 18161160, 21188020, 25425624, 31782030, 36322320, 42376040, 50851248, 63564060, 84752080, 127128120, 254256240]

約数ペア:

[(1, 254256240), (2, 127128120), (3, 84752080), (4, 63564060), (5, 50851248), (6, 42376040), (7, 36322320), (8, 31782030), (10, 25425624), (12, 21188020), (14, 18161160), (15, 16950416), (16, 15891015), (20, 12712812), (21, 12107440), (24, 10594010), (28, 9080580), (30, 8475208), (35, 7264464), (40, 6356406), (42, 6053720), (48, 5297005), (56, 4540290), (60, 4237604), (70, 3632232), (80, 3178203), (84, 3026860), (105, 2421488), (112, 2270145), (120, 2118802), (140, 1816116), (168, 1513430), (210, 1210744), (240, 1059401), (280, 908058), (336, 756715), (420, 605372), (560, 454029), (840, 302686), (1680, 151343)]