291147780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{337}}^1$

素因数の和:395

約数の個数: 288

約数和(自身を含む): 1087527168

約数和(自身を除く): 796379388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 17, 20, 21, 22, 28, 30, 33, 34, 35, 42, 44, 51, 55, 60, 66, 68, 70, 77, 84, 85, 102, 105, 110, 119, 121, 132, 140, 154, 165, 170, 187, 204, 210, 220, 231, 238, 242, 255, 308, 330, 337, 340, 357, 363, 374, 385, 420, 462, 476, 484, 510, 561, 595, 605, 660, 674, 714, 726, 748, 770, 847, 924, 935, 1011, 1020, 1122, 1155, 1190, 1210, 1309, 1348, 1428, 1452, 1540, 1685, 1694, 1785, 1815, 1870, 2022, 2057, 2244, 2310, 2359, 2380, 2420, 2541, 2618, 2805, 3370, 3388, 3570, 3630, 3707, 3740, 3927, 4044, 4114, 4235, 4620, 4718, 5055, 5082, 5236, 5610, 5729, 6171, 6545, 6740, 7077, 7140, 7260, 7414, 7854, 8228, 8470, 9436, 10110, 10164, 10285, 11121, 11220, 11458, 11795, 12342, 12705, 13090, 14154, 14399, 14828, 15708, 16940, 17187, 18535, 19635, 20220, 20570, 22242, 22916, 23590, 24684, 25410, 25949, 26180, 28308, 28645, 28798, 30855, 34374, 35385, 37070, 39270, 40103, 40777, 41140, 43197, 44484, 47180, 50820, 51898, 55605, 57290, 57596, 61710, 63019, 68748, 70770, 71995, 74140, 77847, 78540, 80206, 81554, 85935, 86394, 103796, 111210, 114580, 120309, 122331, 123420, 126038, 129745, 141540, 143990, 155694, 160412, 163108, 171870, 172788, 189057, 200515, 203885, 215985, 222420, 240618, 244662, 252076, 259490, 285439, 287980, 311388, 315095, 343740, 378114, 389235, 401030, 407770, 431970, 441133, 481236, 489324, 518980, 570878, 601545, 611655, 630190, 693209, 756228, 778470, 802060, 815540, 856317, 863940, 882266, 945285, 1141756, 1203090, 1223310, 1260380, 1323399, 1386418, 1427195, 1556940, 1712634, 1764532, 1890570, 2079627, 2205665, 2406180, 2446620, 2646798, 2772836, 2854390, 3425268, 3466045, 3781140, 4159254, 4281585, 4411330, 4852463, 5293596, 5708780, 6616995, 6932090, 8318508, 8563170, 8822660, 9704926, 10398135, 13233990, 13864180, 14557389, 17126340, 19409852, 20796270, 24262315, 26467980, 29114778, 41592540, 48524630, 58229556, 72786945, 97049260, 145573890, 291147780]

約数ペア:

[(1, 291147780), (2, 145573890), (3, 97049260), (4, 72786945), (5, 58229556), (6, 48524630), (7, 41592540), (10, 29114778), (11, 26467980), (12, 24262315), (14, 20796270), (15, 19409852), (17, 17126340), (20, 14557389), (21, 13864180), (22, 13233990), (28, 10398135), (30, 9704926), (33, 8822660), (34, 8563170), (35, 8318508), (42, 6932090), (44, 6616995), (51, 5708780), (55, 5293596), (60, 4852463), (66, 4411330), (68, 4281585), (70, 4159254), (77, 3781140), (84, 3466045), (85, 3425268), (102, 2854390), (105, 2772836), (110, 2646798), (119, 2446620), (121, 2406180), (132, 2205665), (140, 2079627), (154, 1890570), (165, 1764532), (170, 1712634), (187, 1556940), (204, 1427195), (210, 1386418), (220, 1323399), (231, 1260380), (238, 1223310), (242, 1203090), (255, 1141756), (308, 945285), (330, 882266), (337, 863940), (340, 856317), (357, 815540), (363, 802060), (374, 778470), (385, 756228), (420, 693209), (462, 630190), (476, 611655), (484, 601545), (510, 570878), (561, 518980), (595, 489324), (605, 481236), (660, 441133), (674, 431970), (714, 407770), (726, 401030), (748, 389235), (770, 378114), (847, 343740), (924, 315095), (935, 311388), (1011, 287980), (1020, 285439), (1122, 259490), (1155, 252076), (1190, 244662), (1210, 240618), (1309, 222420), (1348, 215985), (1428, 203885), (1452, 200515), (1540, 189057), (1685, 172788), (1694, 171870), (1785, 163108), (1815, 160412), (1870, 155694), (2022, 143990), (2057, 141540), (2244, 129745), (2310, 126038), (2359, 123420), (2380, 122331), (2420, 120309), (2541, 114580), (2618, 111210), (2805, 103796), (3370, 86394), (3388, 85935), (3570, 81554), (3630, 80206), (3707, 78540), (3740, 77847), (3927, 74140), (4044, 71995), (4114, 70770), (4235, 68748), (4620, 63019), (4718, 61710), (5055, 57596), (5082, 57290), (5236, 55605), (5610, 51898), (5729, 50820), (6171, 47180), (6545, 44484), (6740, 43197), (7077, 41140), (7140, 40777), (7260, 40103), (7414, 39270), (7854, 37070), (8228, 35385), (8470, 34374), (9436, 30855), (10110, 28798), (10164, 28645), (10285, 28308), (11121, 26180), (11220, 25949), (11458, 25410), (11795, 24684), (12342, 23590), (12705, 22916), (13090, 22242), (14154, 20570), (14399, 20220), (14828, 19635), (15708, 18535), (16940, 17187)]