255524880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81899}}^1$

素因数の和:81928

約数の個数: 80

約数和(自身を含む): 853070400

約数和(自身を除く): 597545520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 81899, 163798, 245697, 327596, 409495, 491394, 655192, 818990, 982788, 1064687, 1228485, 1310384, 1637980, 1965576, 2129374, 2456970, 3194061, 3275960, 3931152, 4258748, 4913940, 5323435, 6388122, 6551920, 8517496, 9827880, 10646870, 12776244, 15970305, 17034992, 19655760, 21293740, 25552488, 31940610, 42587480, 51104976, 63881220, 85174960, 127762440, 255524880]

約数ペア:

[(1, 255524880), (2, 127762440), (3, 85174960), (4, 63881220), (5, 51104976), (6, 42587480), (8, 31940610), (10, 25552488), (12, 21293740), (13, 19655760), (15, 17034992), (16, 15970305), (20, 12776244), (24, 10646870), (26, 9827880), (30, 8517496), (39, 6551920), (40, 6388122), (48, 5323435), (52, 4913940), (60, 4258748), (65, 3931152), (78, 3275960), (80, 3194061), (104, 2456970), (120, 2129374), (130, 1965576), (156, 1637980), (195, 1310384), (208, 1228485), (240, 1064687), (260, 982788), (312, 818990), (390, 655192), (520, 491394), (624, 409495), (780, 327596), (1040, 245697), (1560, 163798), (3120, 81899)]