61646440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1882

約数の個数: 64

約数和(自身を含む): 148728960

約数和(自身を除く): 87082520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 1811, 3404, 3622, 4255, 6808, 7244, 8510, 9055, 14488, 17020, 18110, 34040, 36220, 41653, 67007, 72440, 83306, 134014, 166612, 208265, 268028, 333224, 335035, 416530, 536056, 670070, 833060, 1340140, 1541161, 1666120, 2680280, 3082322, 6164644, 7705805, 12329288, 15411610, 30823220, 61646440]

約数ペア:

[(1, 61646440), (2, 30823220), (4, 15411610), (5, 12329288), (8, 7705805), (10, 6164644), (20, 3082322), (23, 2680280), (37, 1666120), (40, 1541161), (46, 1340140), (74, 833060), (92, 670070), (115, 536056), (148, 416530), (184, 335035), (185, 333224), (230, 268028), (296, 208265), (370, 166612), (460, 134014), (740, 83306), (851, 72440), (920, 67007), (1480, 41653), (1702, 36220), (1811, 34040), (3404, 18110), (3622, 17020), (4255, 14488), (6808, 9055), (7244, 8510)]