2018502480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{494731}}^1$

素因数の和:494764

約数の個数: 80

約数和(自身を含む): 6625450944

約数和(自身を除く): 4606948464

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 68, 80, 85, 102, 120, 136, 170, 204, 240, 255, 272, 340, 408, 510, 680, 816, 1020, 1360, 2040, 4080, 494731, 989462, 1484193, 1978924, 2473655, 2968386, 3957848, 4947310, 5936772, 7420965, 7915696, 8410427, 9894620, 11873544, 14841930, 16820854, 19789240, 23747088, 25231281, 29683860, 33641708, 39578480, 42052135, 50462562, 59367720, 67283416, 84104270, 100925124, 118735440, 126156405, 134566832, 168208540, 201850248, 252312810, 336417080, 403700496, 504625620, 672834160, 1009251240, 2018502480]

約数ペア:

[(1, 2018502480), (2, 1009251240), (3, 672834160), (4, 504625620), (5, 403700496), (6, 336417080), (8, 252312810), (10, 201850248), (12, 168208540), (15, 134566832), (16, 126156405), (17, 118735440), (20, 100925124), (24, 84104270), (30, 67283416), (34, 59367720), (40, 50462562), (48, 42052135), (51, 39578480), (60, 33641708), (68, 29683860), (80, 25231281), (85, 23747088), (102, 19789240), (120, 16820854), (136, 14841930), (170, 11873544), (204, 9894620), (240, 8410427), (255, 7915696), (272, 7420965), (340, 5936772), (408, 4947310), (510, 3957848), (680, 2968386), (816, 2473655), (1020, 1978924), (1360, 1484193), (2040, 989462), (4080, 494731)]