68129820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1811}}^1$

素因数の和:1856

約数の個数: 144

約数和(自身を含む): 237444480

約数和(自身を除く): 169314660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1710, 1811, 1881, 1980, 2090, 2508, 3135, 3420, 3622, 3762, 4180, 5433, 6270, 7244, 7524, 9055, 9405, 10866, 12540, 16299, 18110, 18810, 19921, 21732, 27165, 32598, 34409, 36220, 37620, 39842, 54330, 59763, 65196, 68818, 79684, 81495, 99605, 103227, 108660, 119526, 137636, 162990, 172045, 179289, 199210, 206454, 239052, 298815, 309681, 325980, 344090, 358578, 378499, 398420, 412908, 516135, 597630, 619362, 688180, 717156, 756998, 896445, 1032270, 1135497, 1195260, 1238724, 1513996, 1548405, 1792890, 1892495, 2064540, 2270994, 3096810, 3406491, 3585780, 3784990, 4541988, 5677485, 6193620, 6812982, 7569980, 11354970, 13625964, 17032455, 22709940, 34064910, 68129820]

約数ペア:

[(1, 68129820), (2, 34064910), (3, 22709940), (4, 17032455), (5, 13625964), (6, 11354970), (9, 7569980), (10, 6812982), (11, 6193620), (12, 5677485), (15, 4541988), (18, 3784990), (19, 3585780), (20, 3406491), (22, 3096810), (30, 2270994), (33, 2064540), (36, 1892495), (38, 1792890), (44, 1548405), (45, 1513996), (55, 1238724), (57, 1195260), (60, 1135497), (66, 1032270), (76, 896445), (90, 756998), (95, 717156), (99, 688180), (110, 619362), (114, 597630), (132, 516135), (165, 412908), (171, 398420), (180, 378499), (190, 358578), (198, 344090), (209, 325980), (220, 309681), (228, 298815), (285, 239052), (330, 206454), (342, 199210), (380, 179289), (396, 172045), (418, 162990), (495, 137636), (570, 119526), (627, 108660), (660, 103227), (684, 99605), (836, 81495), (855, 79684), (990, 68818), (1045, 65196), (1140, 59763), (1254, 54330), (1710, 39842), (1811, 37620), (1881, 36220), (1980, 34409), (2090, 32598), (2508, 27165), (3135, 21732), (3420, 19921), (3622, 18810), (3762, 18110), (4180, 16299), (5433, 12540), (6270, 10866), (7244, 9405), (7524, 9055)]