161475156

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{563}}^1$

素因数の和:861

約数の個数: 72

約数和(自身を含む): 423730944

約数和(自身を除く): 262255788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 257, 279, 372, 514, 558, 563, 771, 1028, 1116, 1126, 1542, 1689, 2252, 2313, 3084, 3378, 4626, 5067, 6756, 7967, 9252, 10134, 15934, 17453, 20268, 23901, 31868, 34906, 47802, 52359, 69812, 71703, 95604, 104718, 143406, 144691, 157077, 209436, 286812, 289382, 314154, 434073, 578764, 628308, 868146, 1302219, 1736292, 2604438, 4485421, 5208876, 8970842, 13456263, 17941684, 26912526, 40368789, 53825052, 80737578, 161475156]

約数ペア:

[(1, 161475156), (2, 80737578), (3, 53825052), (4, 40368789), (6, 26912526), (9, 17941684), (12, 13456263), (18, 8970842), (31, 5208876), (36, 4485421), (62, 2604438), (93, 1736292), (124, 1302219), (186, 868146), (257, 628308), (279, 578764), (372, 434073), (514, 314154), (558, 289382), (563, 286812), (771, 209436), (1028, 157077), (1116, 144691), (1126, 143406), (1542, 104718), (1689, 95604), (2252, 71703), (2313, 69812), (3084, 52359), (3378, 47802), (4626, 34906), (5067, 31868), (6756, 23901), (7967, 20268), (9252, 17453), (10134, 15934)]