155666280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{991}}^1$

素因数の和:1040

約数の個数: 256

約数和(自身を含む): 617103360

約数和(自身を除く): 461437080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 17, 20, 21, 22, 24, 28, 30, 33, 34, 35, 40, 42, 44, 51, 55, 56, 60, 66, 68, 70, 77, 84, 85, 88, 102, 105, 110, 119, 120, 132, 136, 140, 154, 165, 168, 170, 187, 204, 210, 220, 231, 238, 255, 264, 280, 308, 330, 340, 357, 374, 385, 408, 420, 440, 462, 476, 510, 561, 595, 616, 660, 680, 714, 748, 770, 840, 924, 935, 952, 991, 1020, 1122, 1155, 1190, 1309, 1320, 1428, 1496, 1540, 1785, 1848, 1870, 1982, 2040, 2244, 2310, 2380, 2618, 2805, 2856, 2973, 3080, 3570, 3740, 3927, 3964, 4488, 4620, 4760, 4955, 5236, 5610, 5946, 6545, 6937, 7140, 7480, 7854, 7928, 9240, 9910, 10472, 10901, 11220, 11892, 13090, 13874, 14280, 14865, 15708, 16847, 19635, 19820, 20811, 21802, 22440, 23784, 26180, 27748, 29730, 31416, 32703, 33694, 34685, 39270, 39640, 41622, 43604, 50541, 52360, 54505, 55496, 59460, 65406, 67388, 69370, 76307, 78540, 83244, 84235, 87208, 101082, 104055, 109010, 117929, 118920, 130812, 134776, 138740, 152614, 157080, 163515, 166488, 168470, 185317, 202164, 208110, 218020, 228921, 235858, 252705, 261624, 277480, 305228, 327030, 336940, 353787, 370634, 381535, 404328, 416220, 436040, 457842, 471716, 505410, 555951, 589645, 610456, 654060, 673880, 707574, 741268, 763070, 832440, 915684, 926585, 943432, 1010820, 1111902, 1144605, 1179290, 1297219, 1308120, 1415148, 1482536, 1526140, 1768935, 1831368, 1853170, 2021640, 2223804, 2289210, 2358580, 2594438, 2779755, 2830296, 3052280, 3537870, 3706340, 3891657, 4447608, 4578420, 4717160, 5188876, 5559510, 6486095, 7075740, 7412680, 7783314, 9156840, 10377752, 11119020, 12972190, 14151480, 15566628, 19458285, 22238040, 25944380, 31133256, 38916570, 51888760, 77833140, 155666280]

約数ペア:

[(1, 155666280), (2, 77833140), (3, 51888760), (4, 38916570), (5, 31133256), (6, 25944380), (7, 22238040), (8, 19458285), (10, 15566628), (11, 14151480), (12, 12972190), (14, 11119020), (15, 10377752), (17, 9156840), (20, 7783314), (21, 7412680), (22, 7075740), (24, 6486095), (28, 5559510), (30, 5188876), (33, 4717160), (34, 4578420), (35, 4447608), (40, 3891657), (42, 3706340), (44, 3537870), (51, 3052280), (55, 2830296), (56, 2779755), (60, 2594438), (66, 2358580), (68, 2289210), (70, 2223804), (77, 2021640), (84, 1853170), (85, 1831368), (88, 1768935), (102, 1526140), (105, 1482536), (110, 1415148), (119, 1308120), (120, 1297219), (132, 1179290), (136, 1144605), (140, 1111902), (154, 1010820), (165, 943432), (168, 926585), (170, 915684), (187, 832440), (204, 763070), (210, 741268), (220, 707574), (231, 673880), (238, 654060), (255, 610456), (264, 589645), (280, 555951), (308, 505410), (330, 471716), (340, 457842), (357, 436040), (374, 416220), (385, 404328), (408, 381535), (420, 370634), (440, 353787), (462, 336940), (476, 327030), (510, 305228), (561, 277480), (595, 261624), (616, 252705), (660, 235858), (680, 228921), (714, 218020), (748, 208110), (770, 202164), (840, 185317), (924, 168470), (935, 166488), (952, 163515), (991, 157080), (1020, 152614), (1122, 138740), (1155, 134776), (1190, 130812), (1309, 118920), (1320, 117929), (1428, 109010), (1496, 104055), (1540, 101082), (1785, 87208), (1848, 84235), (1870, 83244), (1982, 78540), (2040, 76307), (2244, 69370), (2310, 67388), (2380, 65406), (2618, 59460), (2805, 55496), (2856, 54505), (2973, 52360), (3080, 50541), (3570, 43604), (3740, 41622), (3927, 39640), (3964, 39270), (4488, 34685), (4620, 33694), (4760, 32703), (4955, 31416), (5236, 29730), (5610, 27748), (5946, 26180), (6545, 23784), (6937, 22440), (7140, 21802), (7480, 20811), (7854, 19820), (7928, 19635), (9240, 16847), (9910, 15708), (10472, 14865), (10901, 14280), (11220, 13874), (11892, 13090)]