78821340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 239715840

約数和(自身を除く): 160894500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 139, 156, 195, 260, 278, 390, 417, 556, 695, 727, 780, 834, 1390, 1454, 1668, 1807, 2085, 2181, 2780, 2908, 3614, 3635, 4170, 4362, 5421, 7228, 7270, 8340, 8724, 9035, 9451, 10842, 10905, 14540, 18070, 18902, 21684, 21810, 27105, 28353, 36140, 37804, 43620, 47255, 54210, 56706, 94510, 101053, 108420, 113412, 141765, 189020, 202106, 283530, 303159, 404212, 505265, 567060, 606318, 1010530, 1212636, 1313689, 1515795, 2021060, 2627378, 3031590, 3941067, 5254756, 6063180, 6568445, 7882134, 13136890, 15764268, 19705335, 26273780, 39410670, 78821340]

約数ペア:

[(1, 78821340), (2, 39410670), (3, 26273780), (4, 19705335), (5, 15764268), (6, 13136890), (10, 7882134), (12, 6568445), (13, 6063180), (15, 5254756), (20, 3941067), (26, 3031590), (30, 2627378), (39, 2021060), (52, 1515795), (60, 1313689), (65, 1212636), (78, 1010530), (130, 606318), (139, 567060), (156, 505265), (195, 404212), (260, 303159), (278, 283530), (390, 202106), (417, 189020), (556, 141765), (695, 113412), (727, 108420), (780, 101053), (834, 94510), (1390, 56706), (1454, 54210), (1668, 47255), (1807, 43620), (2085, 37804), (2181, 36140), (2780, 28353), (2908, 27105), (3614, 21810), (3635, 21684), (4170, 18902), (4362, 18070), (5421, 14540), (7228, 10905), (7270, 10842), (8340, 9451), (8724, 9035)]