253671760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{439}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 612817920

約数和(自身を除く): 359146160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 233, 248, 310, 439, 466, 496, 620, 878, 932, 1165, 1240, 1756, 1864, 2195, 2330, 2480, 3512, 3728, 4390, 4660, 7024, 7223, 8780, 9320, 13609, 14446, 17560, 18640, 27218, 28892, 35120, 36115, 54436, 57784, 68045, 72230, 102287, 108872, 115568, 136090, 144460, 204574, 217744, 272180, 288920, 409148, 511435, 544360, 577840, 818296, 1022870, 1088720, 1636592, 2045740, 3170897, 4091480, 6341794, 8182960, 12683588, 15854485, 25367176, 31708970, 50734352, 63417940, 126835880, 253671760]

約数ペア:

[(1, 253671760), (2, 126835880), (4, 63417940), (5, 50734352), (8, 31708970), (10, 25367176), (16, 15854485), (20, 12683588), (31, 8182960), (40, 6341794), (62, 4091480), (80, 3170897), (124, 2045740), (155, 1636592), (233, 1088720), (248, 1022870), (310, 818296), (439, 577840), (466, 544360), (496, 511435), (620, 409148), (878, 288920), (932, 272180), (1165, 217744), (1240, 204574), (1756, 144460), (1864, 136090), (2195, 115568), (2330, 108872), (2480, 102287), (3512, 72230), (3728, 68045), (4390, 57784), (4660, 54436), (7024, 36115), (7223, 35120), (8780, 28892), (9320, 27218), (13609, 18640), (14446, 17560)]