80675540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 206324496

約数和(自身を除く): 125648956

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 37, 44, 53, 55, 68, 74, 85, 106, 110, 121, 148, 170, 185, 187, 212, 220, 242, 265, 340, 370, 374, 407, 484, 530, 583, 605, 629, 740, 748, 814, 901, 935, 1060, 1166, 1210, 1258, 1628, 1802, 1870, 1961, 2035, 2057, 2332, 2420, 2516, 2915, 3145, 3604, 3740, 3922, 4070, 4114, 4477, 4505, 5830, 6290, 6413, 6919, 7844, 8140, 8228, 8954, 9010, 9805, 9911, 10285, 11660, 12580, 12826, 13838, 17908, 18020, 19610, 19822, 20570, 21571, 22385, 25652, 27676, 32065, 33337, 34595, 39220, 39644, 41140, 43142, 44770, 49555, 64130, 66674, 69190, 76109, 86284, 89540, 99110, 107855, 109021, 128260, 133348, 138380, 152218, 166685, 198220, 215710, 218042, 237281, 304436, 333370, 366707, 380545, 431420, 436084, 474562, 545105, 666740, 733414, 761090, 949124, 1090210, 1186405, 1466828, 1522180, 1833535, 2180420, 2372810, 3667070, 4033777, 4745620, 7334140, 8067554, 16135108, 20168885, 40337770, 80675540]

約数ペア:

[(1, 80675540), (2, 40337770), (4, 20168885), (5, 16135108), (10, 8067554), (11, 7334140), (17, 4745620), (20, 4033777), (22, 3667070), (34, 2372810), (37, 2180420), (44, 1833535), (53, 1522180), (55, 1466828), (68, 1186405), (74, 1090210), (85, 949124), (106, 761090), (110, 733414), (121, 666740), (148, 545105), (170, 474562), (185, 436084), (187, 431420), (212, 380545), (220, 366707), (242, 333370), (265, 304436), (340, 237281), (370, 218042), (374, 215710), (407, 198220), (484, 166685), (530, 152218), (583, 138380), (605, 133348), (629, 128260), (740, 109021), (748, 107855), (814, 99110), (901, 89540), (935, 86284), (1060, 76109), (1166, 69190), (1210, 66674), (1258, 64130), (1628, 49555), (1802, 44770), (1870, 43142), (1961, 41140), (2035, 39644), (2057, 39220), (2332, 34595), (2420, 33337), (2516, 32065), (2915, 27676), (3145, 25652), (3604, 22385), (3740, 21571), (3922, 20570), (4070, 19822), (4114, 19610), (4477, 18020), (4505, 17908), (5830, 13838), (6290, 12826), (6413, 12580), (6919, 11660), (7844, 10285), (8140, 9911), (8228, 9805), (8954, 9010)]