266304880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{643}}^1$

素因数の和:854

約数の個数: 80

約数和(自身を含む): 643958784

約数和(自身を除く): 377653904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 248, 310, 334, 496, 620, 643, 668, 835, 1240, 1286, 1336, 1670, 2480, 2572, 2672, 3215, 3340, 5144, 5177, 6430, 6680, 10288, 10354, 12860, 13360, 19933, 20708, 25720, 25885, 39866, 41416, 51440, 51770, 79732, 82832, 99665, 103540, 107381, 159464, 199330, 207080, 214762, 318928, 398660, 414160, 429524, 536905, 797320, 859048, 1073810, 1594640, 1718096, 2147620, 3328811, 4295240, 6657622, 8590480, 13315244, 16644055, 26630488, 33288110, 53260976, 66576220, 133152440, 266304880]

約数ペア:

[(1, 266304880), (2, 133152440), (4, 66576220), (5, 53260976), (8, 33288110), (10, 26630488), (16, 16644055), (20, 13315244), (31, 8590480), (40, 6657622), (62, 4295240), (80, 3328811), (124, 2147620), (155, 1718096), (167, 1594640), (248, 1073810), (310, 859048), (334, 797320), (496, 536905), (620, 429524), (643, 414160), (668, 398660), (835, 318928), (1240, 214762), (1286, 207080), (1336, 199330), (1670, 159464), (2480, 107381), (2572, 103540), (2672, 99665), (3215, 82832), (3340, 79732), (5144, 51770), (5177, 51440), (6430, 41416), (6680, 39866), (10288, 25885), (10354, 25720), (12860, 20708), (13360, 19933)]