68720568

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21529}}^1$

素因数の和:21564

約数の個数: 64

約数和(自身を含む): 206688000

約数和(自身を除く): 137967432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 399, 456, 532, 798, 1064, 1596, 3192, 21529, 43058, 64587, 86116, 129174, 150703, 172232, 258348, 301406, 409051, 452109, 516696, 602812, 818102, 904218, 1205624, 1227153, 1636204, 1808436, 2454306, 2863357, 3272408, 3616872, 4908612, 5726714, 8590071, 9817224, 11453428, 17180142, 22906856, 34360284, 68720568]

約数ペア:

[(1, 68720568), (2, 34360284), (3, 22906856), (4, 17180142), (6, 11453428), (7, 9817224), (8, 8590071), (12, 5726714), (14, 4908612), (19, 3616872), (21, 3272408), (24, 2863357), (28, 2454306), (38, 1808436), (42, 1636204), (56, 1227153), (57, 1205624), (76, 904218), (84, 818102), (114, 602812), (133, 516696), (152, 452109), (168, 409051), (228, 301406), (266, 258348), (399, 172232), (456, 150703), (532, 129174), (798, 86116), (1064, 64587), (1596, 43058), (3192, 21529)]