261870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:89

約数の個数: 64

約数和(自身を含む): 760320

約数和(自身を除く): 498450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 43, 58, 70, 86, 87, 105, 129, 145, 174, 203, 210, 215, 258, 290, 301, 406, 430, 435, 602, 609, 645, 870, 903, 1015, 1218, 1247, 1290, 1505, 1806, 2030, 2494, 3010, 3045, 3741, 4515, 6090, 6235, 7482, 8729, 9030, 12470, 17458, 18705, 26187, 37410, 43645, 52374, 87290, 130935, 261870]

約数ペア:

[(1, 261870), (2, 130935), (3, 87290), (5, 52374), (6, 43645), (7, 37410), (10, 26187), (14, 18705), (15, 17458), (21, 12470), (29, 9030), (30, 8729), (35, 7482), (42, 6235), (43, 6090), (58, 4515), (70, 3741), (86, 3045), (87, 3010), (105, 2494), (129, 2030), (145, 1806), (174, 1505), (203, 1290), (210, 1247), (215, 1218), (258, 1015), (290, 903), (301, 870), (406, 645), (430, 609), (435, 602)]