51754120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:104

約数の個数: 144

約数和(自身を含む): 139642020

約数和(自身を除く): 87887900

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 37, 40, 44, 55, 68, 74, 85, 88, 110, 121, 136, 148, 170, 185, 187, 220, 242, 289, 296, 340, 370, 374, 407, 440, 484, 578, 605, 629, 680, 740, 748, 814, 935, 968, 1156, 1210, 1258, 1445, 1480, 1496, 1628, 1870, 2035, 2057, 2312, 2420, 2516, 2890, 3145, 3179, 3256, 3740, 4070, 4114, 4477, 4840, 5032, 5780, 6290, 6358, 6919, 7480, 8140, 8228, 8954, 10285, 10693, 11560, 12580, 12716, 13838, 15895, 16280, 16456, 17908, 20570, 21386, 22385, 25160, 25432, 27676, 31790, 34595, 34969, 35816, 41140, 42772, 44770, 53465, 55352, 63580, 69190, 69938, 76109, 82280, 85544, 89540, 106930, 117623, 127160, 138380, 139876, 152218, 174845, 179080, 213860, 235246, 276760, 279752, 304436, 349690, 380545, 427720, 470492, 588115, 608872, 699380, 761090, 940984, 1176230, 1293853, 1398760, 1522180, 2352460, 2587706, 3044360, 4704920, 5175412, 6469265, 10350824, 12938530, 25877060, 51754120]

約数ペア:

[(1, 51754120), (2, 25877060), (4, 12938530), (5, 10350824), (8, 6469265), (10, 5175412), (11, 4704920), (17, 3044360), (20, 2587706), (22, 2352460), (34, 1522180), (37, 1398760), (40, 1293853), (44, 1176230), (55, 940984), (68, 761090), (74, 699380), (85, 608872), (88, 588115), (110, 470492), (121, 427720), (136, 380545), (148, 349690), (170, 304436), (185, 279752), (187, 276760), (220, 235246), (242, 213860), (289, 179080), (296, 174845), (340, 152218), (370, 139876), (374, 138380), (407, 127160), (440, 117623), (484, 106930), (578, 89540), (605, 85544), (629, 82280), (680, 76109), (740, 69938), (748, 69190), (814, 63580), (935, 55352), (968, 53465), (1156, 44770), (1210, 42772), (1258, 41140), (1445, 35816), (1480, 34969), (1496, 34595), (1628, 31790), (1870, 27676), (2035, 25432), (2057, 25160), (2312, 22385), (2420, 21386), (2516, 20570), (2890, 17908), (3145, 16456), (3179, 16280), (3256, 15895), (3740, 13838), (4070, 12716), (4114, 12580), (4477, 11560), (4840, 10693), (5032, 10285), (5780, 8954), (6290, 8228), (6358, 8140), (6919, 7480)]