15854960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:486

約数の個数: 80

約数和(自身を含む): 41247360

約数和(自身を除く): 25392400

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 419, 430, 440, 473, 688, 838, 860, 880, 946, 1676, 1720, 1892, 2095, 2365, 3352, 3440, 3784, 4190, 4609, 4730, 6704, 7568, 8380, 9218, 9460, 16760, 18017, 18436, 18920, 23045, 33520, 36034, 36872, 37840, 46090, 72068, 73744, 90085, 92180, 144136, 180170, 184360, 198187, 288272, 360340, 368720, 396374, 720680, 792748, 990935, 1441360, 1585496, 1981870, 3170992, 3963740, 7927480, 15854960]

約数ペア:

[(1, 15854960), (2, 7927480), (4, 3963740), (5, 3170992), (8, 1981870), (10, 1585496), (11, 1441360), (16, 990935), (20, 792748), (22, 720680), (40, 396374), (43, 368720), (44, 360340), (55, 288272), (80, 198187), (86, 184360), (88, 180170), (110, 144136), (172, 92180), (176, 90085), (215, 73744), (220, 72068), (344, 46090), (419, 37840), (430, 36872), (440, 36034), (473, 33520), (688, 23045), (838, 18920), (860, 18436), (880, 18017), (946, 16760), (1676, 9460), (1720, 9218), (1892, 8380), (2095, 7568), (2365, 6704), (3352, 4730), (3440, 4609), (3784, 4190)]