51379020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{337}}^1$

素因数の和:381

約数の個数: 216

約数和(自身を含む): 196359072

約数和(自身を除く): 144980052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 337, 363, 385, 396, 420, 462, 484, 495, 605, 630, 660, 674, 693, 726, 770, 847, 924, 990, 1011, 1089, 1155, 1210, 1260, 1348, 1386, 1452, 1540, 1685, 1694, 1815, 1980, 2022, 2178, 2310, 2359, 2420, 2541, 2772, 3033, 3370, 3388, 3465, 3630, 3707, 4044, 4235, 4356, 4620, 4718, 5055, 5082, 5445, 6066, 6740, 6930, 7077, 7260, 7414, 7623, 8470, 9436, 10110, 10164, 10890, 11121, 11795, 12132, 12705, 13860, 14154, 14828, 15165, 15246, 16940, 18535, 20220, 21231, 21780, 22242, 23590, 25410, 25949, 28308, 30330, 30492, 33363, 35385, 37070, 38115, 40777, 42462, 44484, 47180, 50820, 51898, 55605, 60660, 66726, 70770, 74140, 76230, 77847, 81554, 84924, 103796, 106155, 111210, 122331, 129745, 133452, 141540, 152460, 155694, 163108, 166815, 203885, 212310, 222420, 233541, 244662, 259490, 285439, 311388, 333630, 366993, 389235, 407770, 424620, 467082, 489324, 518980, 570878, 611655, 667260, 733986, 778470, 815540, 856317, 934164, 1141756, 1167705, 1223310, 1427195, 1467972, 1556940, 1712634, 1834965, 2335410, 2446620, 2568951, 2854390, 3425268, 3669930, 4281585, 4670820, 5137902, 5708780, 7339860, 8563170, 10275804, 12844755, 17126340, 25689510, 51379020]

約数ペア:

[(1, 51379020), (2, 25689510), (3, 17126340), (4, 12844755), (5, 10275804), (6, 8563170), (7, 7339860), (9, 5708780), (10, 5137902), (11, 4670820), (12, 4281585), (14, 3669930), (15, 3425268), (18, 2854390), (20, 2568951), (21, 2446620), (22, 2335410), (28, 1834965), (30, 1712634), (33, 1556940), (35, 1467972), (36, 1427195), (42, 1223310), (44, 1167705), (45, 1141756), (55, 934164), (60, 856317), (63, 815540), (66, 778470), (70, 733986), (77, 667260), (84, 611655), (90, 570878), (99, 518980), (105, 489324), (110, 467082), (121, 424620), (126, 407770), (132, 389235), (140, 366993), (154, 333630), (165, 311388), (180, 285439), (198, 259490), (210, 244662), (220, 233541), (231, 222420), (242, 212310), (252, 203885), (308, 166815), (315, 163108), (330, 155694), (337, 152460), (363, 141540), (385, 133452), (396, 129745), (420, 122331), (462, 111210), (484, 106155), (495, 103796), (605, 84924), (630, 81554), (660, 77847), (674, 76230), (693, 74140), (726, 70770), (770, 66726), (847, 60660), (924, 55605), (990, 51898), (1011, 50820), (1089, 47180), (1155, 44484), (1210, 42462), (1260, 40777), (1348, 38115), (1386, 37070), (1452, 35385), (1540, 33363), (1685, 30492), (1694, 30330), (1815, 28308), (1980, 25949), (2022, 25410), (2178, 23590), (2310, 22242), (2359, 21780), (2420, 21231), (2541, 20220), (2772, 18535), (3033, 16940), (3370, 15246), (3388, 15165), (3465, 14828), (3630, 14154), (3707, 13860), (4044, 12705), (4235, 12132), (4356, 11795), (4620, 11121), (4718, 10890), (5055, 10164), (5082, 10110), (5445, 9436), (6066, 8470), (6740, 7623), (6930, 7414), (7077, 7260)]