120722320

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 80

約数和(自身を含む): 290481408

約数和(自身を除く): 169759088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 97, 188, 194, 235, 331, 376, 388, 470, 485, 662, 752, 776, 940, 970, 1324, 1552, 1655, 1880, 1940, 2648, 3310, 3760, 3880, 4559, 5296, 6620, 7760, 9118, 13240, 15557, 18236, 22795, 26480, 31114, 32107, 36472, 45590, 62228, 64214, 72944, 77785, 91180, 124456, 128428, 155570, 160535, 182360, 248912, 256856, 311140, 321070, 364720, 513712, 622280, 642140, 1244560, 1284280, 1509029, 2568560, 3018058, 6036116, 7545145, 12072232, 15090290, 24144464, 30180580, 60361160, 120722320]

約数ペア:

[(1, 120722320), (2, 60361160), (4, 30180580), (5, 24144464), (8, 15090290), (10, 12072232), (16, 7545145), (20, 6036116), (40, 3018058), (47, 2568560), (80, 1509029), (94, 1284280), (97, 1244560), (188, 642140), (194, 622280), (235, 513712), (331, 364720), (376, 321070), (388, 311140), (470, 256856), (485, 248912), (662, 182360), (752, 160535), (776, 155570), (940, 128428), (970, 124456), (1324, 91180), (1552, 77785), (1655, 72944), (1880, 64214), (1940, 62228), (2648, 45590), (3310, 36472), (3760, 32107), (3880, 31114), (4559, 26480), (5296, 22795), (6620, 18236), (7760, 15557), (9118, 13240)]