213782580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107971}}^1$

素因数の和:107997

約数の個数: 72

約数和(自身を含む): 707432544

約数和(自身を除く): 493649964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 107971, 215942, 323913, 431884, 539855, 647826, 971739, 1079710, 1187681, 1295652, 1619565, 1943478, 2159420, 2375362, 3239130, 3563043, 3886956, 4750724, 4858695, 5938405, 6478260, 7126086, 9717390, 10689129, 11876810, 14252172, 17815215, 19434780, 21378258, 23753620, 35630430, 42756516, 53445645, 71260860, 106891290, 213782580]

約数ペア:

[(1, 213782580), (2, 106891290), (3, 71260860), (4, 53445645), (5, 42756516), (6, 35630430), (9, 23753620), (10, 21378258), (11, 19434780), (12, 17815215), (15, 14252172), (18, 11876810), (20, 10689129), (22, 9717390), (30, 7126086), (33, 6478260), (36, 5938405), (44, 4858695), (45, 4750724), (55, 3886956), (60, 3563043), (66, 3239130), (90, 2375362), (99, 2159420), (110, 1943478), (132, 1619565), (165, 1295652), (180, 1187681), (198, 1079710), (220, 971739), (330, 647826), (396, 539855), (495, 431884), (660, 323913), (990, 215942), (1980, 107971)]