28521780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1151}}^1$

素因数の和:1229

約数の個数: 96

約数和(自身を含む): 92897280

約数和(自身を除く): 64375500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 885, 1151, 1180, 1239, 1652, 1770, 2065, 2302, 2478, 3453, 3540, 4130, 4604, 4956, 5755, 6195, 6906, 8057, 8260, 11510, 12390, 13812, 16114, 17265, 23020, 24171, 24780, 32228, 34530, 40285, 48342, 67909, 69060, 80570, 96684, 120855, 135818, 161140, 203727, 241710, 271636, 339545, 407454, 475363, 483420, 679090, 814908, 950726, 1018635, 1358180, 1426089, 1901452, 2037270, 2376815, 2852178, 4074540, 4753630, 5704356, 7130445, 9507260, 14260890, 28521780]

約数ペア:

[(1, 28521780), (2, 14260890), (3, 9507260), (4, 7130445), (5, 5704356), (6, 4753630), (7, 4074540), (10, 2852178), (12, 2376815), (14, 2037270), (15, 1901452), (20, 1426089), (21, 1358180), (28, 1018635), (30, 950726), (35, 814908), (42, 679090), (59, 483420), (60, 475363), (70, 407454), (84, 339545), (105, 271636), (118, 241710), (140, 203727), (177, 161140), (210, 135818), (236, 120855), (295, 96684), (354, 80570), (413, 69060), (420, 67909), (590, 48342), (708, 40285), (826, 34530), (885, 32228), (1151, 24780), (1180, 24171), (1239, 23020), (1652, 17265), (1770, 16114), (2065, 13812), (2302, 12390), (2478, 11510), (3453, 8260), (3540, 8057), (4130, 6906), (4604, 6195), (4956, 5755)]