81321672

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1283}}^1$

素因数の和:1450

約数の個数: 64

約数和(自身を含む): 215712000

約数和(自身を除く): 134390328

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 139, 152, 228, 278, 417, 456, 556, 834, 1112, 1283, 1668, 2566, 2641, 3336, 3849, 5132, 5282, 7698, 7923, 10264, 10564, 15396, 15846, 21128, 24377, 30792, 31692, 48754, 63384, 73131, 97508, 146262, 178337, 195016, 292524, 356674, 535011, 585048, 713348, 1070022, 1426696, 2140044, 3388403, 4280088, 6776806, 10165209, 13553612, 20330418, 27107224, 40660836, 81321672]

約数ペア:

[(1, 81321672), (2, 40660836), (3, 27107224), (4, 20330418), (6, 13553612), (8, 10165209), (12, 6776806), (19, 4280088), (24, 3388403), (38, 2140044), (57, 1426696), (76, 1070022), (114, 713348), (139, 585048), (152, 535011), (228, 356674), (278, 292524), (417, 195016), (456, 178337), (556, 146262), (834, 97508), (1112, 73131), (1283, 63384), (1668, 48754), (2566, 31692), (2641, 30792), (3336, 24377), (3849, 21128), (5132, 15846), (5282, 15396), (7698, 10564), (7923, 10264)]