749428020

素因数分解:

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

素因数の和:1867

約数の個数: 216

約数和(自身を含む): 2631676320

約数和(自身を除く): 1882248300

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, 121, 132, 165, 171, 180, 190, 198, 209, 220, 228, 242, 285, 330, 342, 363, 380, 396, 418, 484, 495, 570, 605, 627, 660, 684, 726, 836, 855, 990, 1045, 1089, 1140, 1210, 1254, 1452, 1710, 1811, 1815, 1881, 1980, 2090, 2178, 2299, 2420, 2508, 3135, 3420, 3622, 3630, 3762, 4180, 4356, 4598, 5433, 5445, 6270, 6897, 7244, 7260, 7524, 9055, 9196, 9405, 10866, 10890, 11495, 12540, 13794, 16299, 18110, 18810, 19921, 20691, 21732, 21780, 22990, 27165, 27588, 32598, 34409, 34485, 36220, 37620, 39842, 41382, 45980, 54330, 59763, 65196, 68818, 68970, 79684, 81495, 82764, 99605, 103227, 103455, 108660, 119526, 137636, 137940, 162990, 172045, 179289, 199210, 206454, 206910, 219131, 239052, 298815, 309681, 325980, 344090, 358578, 378499, 398420, 412908, 413820, 438262, 516135, 597630, 619362, 657393, 688180, 717156, 756998, 876524, 896445, 1032270, 1095655, 1135497, 1195260, 1238724, 1314786, 1513996, 1548405, 1792890, 1892495, 1972179, 2064540, 2191310, 2270994, 2629572, 3096810, 3286965, 3406491, 3585780, 3784990, 3944358, 4163489, 4382620, 4541988, 5677485, 6193620, 6573930, 6812982, 7569980, 7888716, 8326978, 9860895, 11354970, 12490467, 13147860, 13625964, 16653956, 17032455, 19721790, 20817445, 22709940, 24980934, 34064910, 37471401, 39443580, 41634890, 49961868, 62452335, 68129820, 74942802, 83269780, 124904670, 149885604, 187357005, 249809340, 374714010, 749428020]

約数ペア:

[(1, 749428020), (2, 374714010), (3, 249809340), (4, 187357005), (5, 149885604), (6, 124904670), (9, 83269780), (10, 74942802), (11, 68129820), (12, 62452335), (15, 49961868), (18, 41634890), (19, 39443580), (20, 37471401), (22, 34064910), (30, 24980934), (33, 22709940), (36, 20817445), (38, 19721790), (44, 17032455), (45, 16653956), (55, 13625964), (57, 13147860), (60, 12490467), (66, 11354970), (76, 9860895), (90, 8326978), (95, 7888716), (99, 7569980), (110, 6812982), (114, 6573930), (121, 6193620), (132, 5677485), (165, 4541988), (171, 4382620), (180, 4163489), (190, 3944358), (198, 3784990), (209, 3585780), (220, 3406491), (228, 3286965), (242, 3096810), (285, 2629572), (330, 2270994), (342, 2191310), (363, 2064540), (380, 1972179), (396, 1892495), (418, 1792890), (484, 1548405), (495, 1513996), (570, 1314786), (605, 1238724), (627, 1195260), (660, 1135497), (684, 1095655), (726, 1032270), (836, 896445), (855, 876524), (990, 756998), (1045, 717156), (1089, 688180), (1140, 657393), (1210, 619362), (1254, 597630), (1452, 516135), (1710, 438262), (1811, 413820), (1815, 412908), (1881, 398420), (1980, 378499), (2090, 358578), (2178, 344090), (2299, 325980), (2420, 309681), (2508, 298815), (3135, 239052), (3420, 219131), (3622, 206910), (3630, 206454), (3762, 199210), (4180, 179289), (4356, 172045), (4598, 162990), (5433, 137940), (5445, 137636), (6270, 119526), (6897, 108660), (7244, 103455), (7260, 103227), (7524, 99605), (9055, 82764), (9196, 81495), (9405, 79684), (10866, 68970), (10890, 68818), (11495, 65196), (12540, 59763), (13794, 54330), (16299, 45980), (18110, 41382), (18810, 39842), (19921, 37620), (20691, 36220), (21732, 34485), (21780, 34409), (22990, 32598), (27165, 27588)]