12785958680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:263

約数の個数: 256

約数和(自身を含む): 33460715520

約数和(自身を除く): 20674756840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 61, 62, 88, 110, 121, 122, 124, 127, 155, 220, 242, 244, 248, 254, 305, 310, 341, 440, 484, 488, 508, 605, 610, 620, 635, 671, 682, 968, 1016, 1210, 1220, 1240, 1270, 1331, 1342, 1364, 1397, 1705, 1891, 2420, 2440, 2540, 2662, 2684, 2728, 2794, 3355, 3410, 3751, 3782, 3937, 4840, 5080, 5324, 5368, 5588, 6655, 6710, 6820, 6985, 7381, 7502, 7564, 7747, 7874, 9455, 10648, 11176, 13310, 13420, 13640, 13970, 14762, 15004, 15128, 15367, 15494, 15748, 18755, 18910, 19685, 20801, 26620, 26840, 27940, 29524, 30008, 30734, 30988, 31496, 36905, 37510, 37820, 38735, 39370, 41261, 41602, 43307, 53240, 55880, 59048, 61468, 61976, 73810, 75020, 75640, 76835, 77470, 78740, 81191, 82522, 83204, 85217, 86614, 104005, 122936, 147620, 150040, 153670, 154940, 157480, 162382, 165044, 166408, 169037, 170434, 173228, 206305, 208010, 216535, 228811, 240157, 295240, 307340, 309880, 324764, 330088, 338074, 340868, 346456, 405955, 412610, 416020, 426085, 433070, 457622, 476377, 480314, 614680, 649528, 676148, 681736, 811910, 825220, 832040, 845185, 852170, 866140, 915244, 937387, 952754, 960628, 1144055, 1200785, 1352296, 1623820, 1650440, 1690370, 1704340, 1732280, 1830488, 1874774, 1905508, 1921256, 2288110, 2381885, 2401570, 2516921, 2641727, 3247640, 3380740, 3408680, 3749548, 3811016, 4576220, 4686935, 4763770, 4803140, 5033842, 5240147, 5283454, 6761480, 7499096, 9152440, 9373870, 9527540, 9606280, 10067684, 10311257, 10480294, 10566908, 12584605, 13208635, 18747740, 19055080, 20135368, 20622514, 20960588, 21133816, 25169210, 26200735, 26417270, 29058997, 37495480, 41245028, 41921176, 50338420, 51556285, 52401470, 52834540, 58117994, 82490056, 100676840, 103112570, 104802940, 105669080, 116235988, 145294985, 206225140, 209605880, 232471976, 290589970, 319648967, 412450280, 581179940, 639297934, 1162359880, 1278595868, 1598244835, 2557191736, 3196489670, 6392979340, 12785958680]

約数ペア:

[(1, 12785958680), (2, 6392979340), (4, 3196489670), (5, 2557191736), (8, 1598244835), (10, 1278595868), (11, 1162359880), (20, 639297934), (22, 581179940), (31, 412450280), (40, 319648967), (44, 290589970), (55, 232471976), (61, 209605880), (62, 206225140), (88, 145294985), (110, 116235988), (121, 105669080), (122, 104802940), (124, 103112570), (127, 100676840), (155, 82490056), (220, 58117994), (242, 52834540), (244, 52401470), (248, 51556285), (254, 50338420), (305, 41921176), (310, 41245028), (341, 37495480), (440, 29058997), (484, 26417270), (488, 26200735), (508, 25169210), (605, 21133816), (610, 20960588), (620, 20622514), (635, 20135368), (671, 19055080), (682, 18747740), (968, 13208635), (1016, 12584605), (1210, 10566908), (1220, 10480294), (1240, 10311257), (1270, 10067684), (1331, 9606280), (1342, 9527540), (1364, 9373870), (1397, 9152440), (1705, 7499096), (1891, 6761480), (2420, 5283454), (2440, 5240147), (2540, 5033842), (2662, 4803140), (2684, 4763770), (2728, 4686935), (2794, 4576220), (3355, 3811016), (3410, 3749548), (3751, 3408680), (3782, 3380740), (3937, 3247640), (4840, 2641727), (5080, 2516921), (5324, 2401570), (5368, 2381885), (5588, 2288110), (6655, 1921256), (6710, 1905508), (6820, 1874774), (6985, 1830488), (7381, 1732280), (7502, 1704340), (7564, 1690370), (7747, 1650440), (7874, 1623820), (9455, 1352296), (10648, 1200785), (11176, 1144055), (13310, 960628), (13420, 952754), (13640, 937387), (13970, 915244), (14762, 866140), (15004, 852170), (15128, 845185), (15367, 832040), (15494, 825220), (15748, 811910), (18755, 681736), (18910, 676148), (19685, 649528), (20801, 614680), (26620, 480314), (26840, 476377), (27940, 457622), (29524, 433070), (30008, 426085), (30734, 416020), (30988, 412610), (31496, 405955), (36905, 346456), (37510, 340868), (37820, 338074), (38735, 330088), (39370, 324764), (41261, 309880), (41602, 307340), (43307, 295240), (53240, 240157), (55880, 228811), (59048, 216535), (61468, 208010), (61976, 206305), (73810, 173228), (75020, 170434), (75640, 169037), (76835, 166408), (77470, 165044), (78740, 162382), (81191, 157480), (82522, 154940), (83204, 153670), (85217, 150040), (86614, 147620), (104005, 122936)]