1806697240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1\times {\mathrm{1163}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 4133410560

約数和(自身を除く): 2326713320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 547, 568, 710, 1094, 1163, 1420, 2188, 2326, 2735, 2840, 4376, 4652, 5470, 5815, 9304, 10940, 11630, 21880, 23260, 38837, 46520, 77674, 82573, 155348, 165146, 194185, 310696, 330292, 388370, 412865, 636161, 660584, 776740, 825730, 1272322, 1553480, 1651460, 2544644, 3180805, 3302920, 5089288, 6361610, 12723220, 25446440, 45167431, 90334862, 180669724, 225837155, 361339448, 451674310, 903348620, 1806697240]

約数ペア:

[(1, 1806697240), (2, 903348620), (4, 451674310), (5, 361339448), (8, 225837155), (10, 180669724), (20, 90334862), (40, 45167431), (71, 25446440), (142, 12723220), (284, 6361610), (355, 5089288), (547, 3302920), (568, 3180805), (710, 2544644), (1094, 1651460), (1163, 1553480), (1420, 1272322), (2188, 825730), (2326, 776740), (2735, 660584), (2840, 636161), (4376, 412865), (4652, 388370), (5470, 330292), (5815, 310696), (9304, 194185), (10940, 165146), (11630, 155348), (21880, 82573), (23260, 77674), (38837, 46520)]