86991180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19861}}^1$

素因数の和:19946

約数の個数: 48

約数和(自身を含む): 246924384

約数和(自身を除く): 159933204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 19861, 39722, 59583, 79444, 99305, 119166, 198610, 238332, 297915, 397220, 595830, 1191660, 1449853, 2899706, 4349559, 5799412, 7249265, 8699118, 14498530, 17398236, 21747795, 28997060, 43495590, 86991180]

約数ペア:

[(1, 86991180), (2, 43495590), (3, 28997060), (4, 21747795), (5, 17398236), (6, 14498530), (10, 8699118), (12, 7249265), (15, 5799412), (20, 4349559), (30, 2899706), (60, 1449853), (73, 1191660), (146, 595830), (219, 397220), (292, 297915), (365, 238332), (438, 198610), (730, 119166), (876, 99305), (1095, 79444), (1460, 59583), (2190, 39722), (4380, 19861)]