268520780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 673269408

約数和(自身を除く): 404748628

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 61, 68, 85, 107, 110, 121, 122, 170, 187, 214, 220, 242, 244, 305, 340, 374, 428, 484, 535, 605, 610, 671, 748, 935, 1037, 1070, 1177, 1210, 1220, 1342, 1819, 1870, 2057, 2074, 2140, 2354, 2420, 2684, 3355, 3638, 3740, 4114, 4148, 4708, 5185, 5885, 6527, 6710, 7276, 7381, 8228, 9095, 10285, 10370, 11407, 11770, 12947, 13054, 13420, 14762, 18190, 20009, 20570, 20740, 22814, 23540, 25894, 26108, 29524, 32635, 36380, 36905, 40018, 41140, 45628, 51788, 57035, 64735, 65270, 71797, 73810, 80036, 100045, 110959, 114070, 125477, 129470, 130540, 143594, 147620, 200090, 220099, 221918, 228140, 250954, 258940, 287188, 358985, 400180, 440198, 443836, 501908, 554795, 627385, 717970, 789767, 880396, 1100495, 1109590, 1220549, 1254770, 1435940, 1579534, 2200990, 2219180, 2441098, 2509540, 3159068, 3948835, 4401980, 4882196, 6102745, 7897670, 12205490, 13426039, 15795340, 24410980, 26852078, 53704156, 67130195, 134260390, 268520780]

約数ペア:

[(1, 268520780), (2, 134260390), (4, 67130195), (5, 53704156), (10, 26852078), (11, 24410980), (17, 15795340), (20, 13426039), (22, 12205490), (34, 7897670), (44, 6102745), (55, 4882196), (61, 4401980), (68, 3948835), (85, 3159068), (107, 2509540), (110, 2441098), (121, 2219180), (122, 2200990), (170, 1579534), (187, 1435940), (214, 1254770), (220, 1220549), (242, 1109590), (244, 1100495), (305, 880396), (340, 789767), (374, 717970), (428, 627385), (484, 554795), (535, 501908), (605, 443836), (610, 440198), (671, 400180), (748, 358985), (935, 287188), (1037, 258940), (1070, 250954), (1177, 228140), (1210, 221918), (1220, 220099), (1342, 200090), (1819, 147620), (1870, 143594), (2057, 130540), (2074, 129470), (2140, 125477), (2354, 114070), (2420, 110959), (2684, 100045), (3355, 80036), (3638, 73810), (3740, 71797), (4114, 65270), (4148, 64735), (4708, 57035), (5185, 51788), (5885, 45628), (6527, 41140), (6710, 40018), (7276, 36905), (7381, 36380), (8228, 32635), (9095, 29524), (10285, 26108), (10370, 25894), (11407, 23540), (11770, 22814), (12947, 20740), (13054, 20570), (13420, 20009), (14762, 18190)]