2890781880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1\times {\mathrm{331}}^1$

素因数の和:670

約数の個数: 256

約数和(自身を含む): 10246210560

約数和(自身を除く): 7355428680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 281, 296, 331, 370, 420, 444, 518, 555, 562, 662, 740, 777, 840, 843, 888, 993, 1036, 1110, 1124, 1295, 1324, 1405, 1480, 1554, 1655, 1686, 1967, 1986, 2072, 2220, 2248, 2317, 2590, 2648, 2810, 3108, 3310, 3372, 3885, 3934, 3972, 4215, 4440, 4634, 4965, 5180, 5620, 5901, 6216, 6620, 6744, 6951, 7770, 7868, 7944, 8430, 9268, 9835, 9930, 10360, 10397, 11240, 11585, 11802, 12247, 13240, 13902, 15540, 15736, 16860, 18536, 19670, 19860, 20794, 23170, 23604, 24494, 27804, 29505, 31080, 31191, 33720, 34755, 36741, 39340, 39720, 41588, 46340, 47208, 48988, 51985, 55608, 59010, 61235, 62382, 69510, 72779, 73482, 78680, 83176, 85729, 92680, 93011, 97976, 103970, 118020, 122470, 124764, 139020, 145558, 146964, 155955, 171458, 183705, 186022, 207940, 218337, 236040, 244940, 249528, 257187, 278040, 279033, 291116, 293928, 311910, 342916, 363895, 367410, 372044, 415880, 428645, 436674, 465055, 489880, 514374, 558066, 582232, 623820, 651077, 685832, 727790, 734820, 744088, 857290, 873348, 930110, 1028748, 1091685, 1116132, 1247640, 1285935, 1302154, 1395165, 1455580, 1469640, 1714580, 1746696, 1860220, 1953231, 2057496, 2183370, 2232264, 2571870, 2604308, 2790330, 2911160, 3255385, 3429160, 3441407, 3720440, 3906462, 4366740, 5143740, 5208616, 5580660, 6510770, 6882814, 7812924, 8733480, 9766155, 10287480, 10324221, 11161320, 13021540, 13765628, 15625848, 17207035, 19532310, 20648442, 24089849, 26043080, 27531256, 34414070, 39064620, 41296884, 48179698, 51621105, 68828140, 72269547, 78129240, 82593768, 96359396, 103242210, 120449245, 137656280, 144539094, 192718792, 206484420, 240898490, 289078188, 361347735, 412968840, 481796980, 578156376, 722695470, 963593960, 1445390940, 2890781880]

約数ペア:

[(1, 2890781880), (2, 1445390940), (3, 963593960), (4, 722695470), (5, 578156376), (6, 481796980), (7, 412968840), (8, 361347735), (10, 289078188), (12, 240898490), (14, 206484420), (15, 192718792), (20, 144539094), (21, 137656280), (24, 120449245), (28, 103242210), (30, 96359396), (35, 82593768), (37, 78129240), (40, 72269547), (42, 68828140), (56, 51621105), (60, 48179698), (70, 41296884), (74, 39064620), (84, 34414070), (105, 27531256), (111, 26043080), (120, 24089849), (140, 20648442), (148, 19532310), (168, 17207035), (185, 15625848), (210, 13765628), (222, 13021540), (259, 11161320), (280, 10324221), (281, 10287480), (296, 9766155), (331, 8733480), (370, 7812924), (420, 6882814), (444, 6510770), (518, 5580660), (555, 5208616), (562, 5143740), (662, 4366740), (740, 3906462), (777, 3720440), (840, 3441407), (843, 3429160), (888, 3255385), (993, 2911160), (1036, 2790330), (1110, 2604308), (1124, 2571870), (1295, 2232264), (1324, 2183370), (1405, 2057496), (1480, 1953231), (1554, 1860220), (1655, 1746696), (1686, 1714580), (1967, 1469640), (1986, 1455580), (2072, 1395165), (2220, 1302154), (2248, 1285935), (2317, 1247640), (2590, 1116132), (2648, 1091685), (2810, 1028748), (3108, 930110), (3310, 873348), (3372, 857290), (3885, 744088), (3934, 734820), (3972, 727790), (4215, 685832), (4440, 651077), (4634, 623820), (4965, 582232), (5180, 558066), (5620, 514374), (5901, 489880), (6216, 465055), (6620, 436674), (6744, 428645), (6951, 415880), (7770, 372044), (7868, 367410), (7944, 363895), (8430, 342916), (9268, 311910), (9835, 293928), (9930, 291116), (10360, 279033), (10397, 278040), (11240, 257187), (11585, 249528), (11802, 244940), (12247, 236040), (13240, 218337), (13902, 207940), (15540, 186022), (15736, 183705), (16860, 171458), (18536, 155955), (19670, 146964), (19860, 145558), (20794, 139020), (23170, 124764), (23604, 122470), (24494, 118020), (27804, 103970), (29505, 97976), (31080, 93011), (31191, 92680), (33720, 85729), (34755, 83176), (36741, 78680), (39340, 73482), (39720, 72779), (41588, 69510), (46340, 62382), (47208, 61235), (48988, 59010), (51985, 55608)]