280265712

素因数分解:

$2^4\times 3^1\times {\mathrm{641}}^1\times {\mathrm{9109}}^1$

素因数の和:9761

約数の個数: 40

約数和(自身を含む): 725228880

約数和(自身を除く): 444963168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 641, 1282, 1923, 2564, 3846, 5128, 7692, 9109, 10256, 15384, 18218, 27327, 30768, 36436, 54654, 72872, 109308, 145744, 218616, 437232, 5838869, 11677738, 17516607, 23355476, 35033214, 46710952, 70066428, 93421904, 140132856, 280265712]

約数ペア:

[(1, 280265712), (2, 140132856), (3, 93421904), (4, 70066428), (6, 46710952), (8, 35033214), (12, 23355476), (16, 17516607), (24, 11677738), (48, 5838869), (641, 437232), (1282, 218616), (1923, 145744), (2564, 109308), (3846, 72872), (5128, 54654), (7692, 36436), (9109, 30768), (10256, 27327), (15384, 18218)]