640219248

素因数分解:

$2^4\times 3^3\times {\mathrm{1481989}}^1$

素因数の和:1482006

約数の個数: 40

約数和(自身を含む): 1837667600

約数和(自身を除く): 1197448352

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 216, 432, 1481989, 2963978, 4445967, 5927956, 8891934, 11855912, 13337901, 17783868, 23711824, 26675802, 35567736, 40013703, 53351604, 71135472, 80027406, 106703208, 160054812, 213406416, 320109624, 640219248]

約数ペア:

[(1, 640219248), (2, 320109624), (3, 213406416), (4, 160054812), (6, 106703208), (8, 80027406), (9, 71135472), (12, 53351604), (16, 40013703), (18, 35567736), (24, 26675802), (27, 23711824), (36, 17783868), (48, 13337901), (54, 11855912), (72, 8891934), (108, 5927956), (144, 4445967), (216, 2963978), (432, 1481989)]