28140356280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1\times {\mathrm{5647}}^1$

素因数の和:6109

約数の個数: 128

約数和(自身を含む): 85348961280

約数和(自身を除く): 57208605000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 317, 393, 524, 634, 655, 786, 951, 1048, 1268, 1310, 1572, 1585, 1902, 1965, 2536, 2620, 3144, 3170, 3804, 3930, 4755, 5240, 5647, 6340, 7608, 7860, 9510, 11294, 12680, 15720, 16941, 19020, 22588, 28235, 33882, 38040, 41527, 45176, 56470, 67764, 83054, 84705, 112940, 124581, 135528, 166108, 169410, 207635, 225880, 249162, 332216, 338820, 415270, 498324, 622905, 677640, 739757, 830540, 996648, 1245810, 1479514, 1661080, 1790099, 2219271, 2491620, 2959028, 3580198, 3698785, 4438542, 4983240, 5370297, 5918056, 7160396, 7397570, 8877084, 8950495, 10740594, 11096355, 14320792, 14795140, 17754168, 17900990, 21481188, 22192710, 26851485, 29590280, 35801980, 42962376, 44385420, 53702970, 71603960, 88770840, 107405940, 214811880, 234502969, 469005938, 703508907, 938011876, 1172514845, 1407017814, 1876023752, 2345029690, 2814035628, 3517544535, 4690059380, 5628071256, 7035089070, 9380118760, 14070178140, 28140356280]

約数ペア:

[(1, 28140356280), (2, 14070178140), (3, 9380118760), (4, 7035089070), (5, 5628071256), (6, 4690059380), (8, 3517544535), (10, 2814035628), (12, 2345029690), (15, 1876023752), (20, 1407017814), (24, 1172514845), (30, 938011876), (40, 703508907), (60, 469005938), (120, 234502969), (131, 214811880), (262, 107405940), (317, 88770840), (393, 71603960), (524, 53702970), (634, 44385420), (655, 42962376), (786, 35801980), (951, 29590280), (1048, 26851485), (1268, 22192710), (1310, 21481188), (1572, 17900990), (1585, 17754168), (1902, 14795140), (1965, 14320792), (2536, 11096355), (2620, 10740594), (3144, 8950495), (3170, 8877084), (3804, 7397570), (3930, 7160396), (4755, 5918056), (5240, 5370297), (5647, 4983240), (6340, 4438542), (7608, 3698785), (7860, 3580198), (9510, 2959028), (11294, 2491620), (12680, 2219271), (15720, 1790099), (16941, 1661080), (19020, 1479514), (22588, 1245810), (28235, 996648), (33882, 830540), (38040, 739757), (41527, 677640), (45176, 622905), (56470, 498324), (67764, 415270), (83054, 338820), (84705, 332216), (112940, 249162), (124581, 225880), (135528, 207635), (166108, 169410)]