261225840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{35111}}^1$

素因数の和:35158

約数の個数: 80

約数和(自身を含む): 835946496

約数和(自身を除く): 574720656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 35111, 70222, 105333, 140444, 175555, 210666, 280888, 351110, 421332, 526665, 561776, 702220, 842664, 1053330, 1088441, 1404440, 1685328, 2106660, 2176882, 2808880, 3265323, 4213320, 4353764, 5442205, 6530646, 8426640, 8707528, 10884410, 13061292, 16326615, 17415056, 21768820, 26122584, 32653230, 43537640, 52245168, 65306460, 87075280, 130612920, 261225840]

約数ペア:

[(1, 261225840), (2, 130612920), (3, 87075280), (4, 65306460), (5, 52245168), (6, 43537640), (8, 32653230), (10, 26122584), (12, 21768820), (15, 17415056), (16, 16326615), (20, 13061292), (24, 10884410), (30, 8707528), (31, 8426640), (40, 6530646), (48, 5442205), (60, 4353764), (62, 4213320), (80, 3265323), (93, 2808880), (120, 2176882), (124, 2106660), (155, 1685328), (186, 1404440), (240, 1088441), (248, 1053330), (310, 842664), (372, 702220), (465, 561776), (496, 526665), (620, 421332), (744, 351110), (930, 280888), (1240, 210666), (1488, 175555), (1860, 140444), (2480, 105333), (3720, 70222), (7440, 35111)]