1997132880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{76343}}^1$

素因数の和:76468

約数の個数: 80

約数和(自身を含む): 6247992960

約数和(自身を除く): 4250860080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 872, 1090, 1308, 1635, 1744, 2180, 2616, 3270, 4360, 5232, 6540, 8720, 13080, 26160, 76343, 152686, 229029, 305372, 381715, 458058, 610744, 763430, 916116, 1145145, 1221488, 1526860, 1832232, 2290290, 3053720, 3664464, 4580580, 6107440, 8321387, 9161160, 16642774, 18322320, 24964161, 33285548, 41606935, 49928322, 66571096, 83213870, 99856644, 124820805, 133142192, 166427740, 199713288, 249641610, 332855480, 399426576, 499283220, 665710960, 998566440, 1997132880]

約数ペア:

[(1, 1997132880), (2, 998566440), (3, 665710960), (4, 499283220), (5, 399426576), (6, 332855480), (8, 249641610), (10, 199713288), (12, 166427740), (15, 133142192), (16, 124820805), (20, 99856644), (24, 83213870), (30, 66571096), (40, 49928322), (48, 41606935), (60, 33285548), (80, 24964161), (109, 18322320), (120, 16642774), (218, 9161160), (240, 8321387), (327, 6107440), (436, 4580580), (545, 3664464), (654, 3053720), (872, 2290290), (1090, 1832232), (1308, 1526860), (1635, 1221488), (1744, 1145145), (2180, 916116), (2616, 763430), (3270, 610744), (4360, 458058), (5232, 381715), (6540, 305372), (8720, 229029), (13080, 152686), (26160, 76343)]