129191220

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{239243}}^1$

素因数の和:239261

約数の個数: 48

約数和(自身を含む): 401929920

約数和(自身を除く): 272738700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 239243, 478486, 717729, 956972, 1196215, 1435458, 2153187, 2392430, 2870916, 3588645, 4306374, 4784860, 6459561, 7177290, 8612748, 10765935, 12919122, 14354580, 21531870, 25838244, 32297805, 43063740, 64595610, 129191220]

約数ペア:

[(1, 129191220), (2, 64595610), (3, 43063740), (4, 32297805), (5, 25838244), (6, 21531870), (9, 14354580), (10, 12919122), (12, 10765935), (15, 8612748), (18, 7177290), (20, 6459561), (27, 4784860), (30, 4306374), (36, 3588645), (45, 2870916), (54, 2392430), (60, 2153187), (90, 1435458), (108, 1196215), (135, 956972), (180, 717729), (270, 478486), (540, 239243)]