66103440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21187}}^1$

素因数の和:21216

約数の個数: 80

約数和(自身を含む): 220694208

約数和(自身を除く): 154590768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21187, 42374, 63561, 84748, 105935, 127122, 169496, 211870, 254244, 275431, 317805, 338992, 423740, 508488, 550862, 635610, 826293, 847480, 1016976, 1101724, 1271220, 1377155, 1652586, 1694960, 2203448, 2542440, 2754310, 3305172, 4131465, 4406896, 5084880, 5508620, 6610344, 8262930, 11017240, 13220688, 16525860, 22034480, 33051720, 66103440]

約数ペア:

[(1, 66103440), (2, 33051720), (3, 22034480), (4, 16525860), (5, 13220688), (6, 11017240), (8, 8262930), (10, 6610344), (12, 5508620), (13, 5084880), (15, 4406896), (16, 4131465), (20, 3305172), (24, 2754310), (26, 2542440), (30, 2203448), (39, 1694960), (40, 1652586), (48, 1377155), (52, 1271220), (60, 1101724), (65, 1016976), (78, 847480), (80, 826293), (104, 635610), (120, 550862), (130, 508488), (156, 423740), (195, 338992), (208, 317805), (240, 275431), (260, 254244), (312, 211870), (390, 169496), (520, 127122), (624, 105935), (780, 84748), (1040, 63561), (1560, 42374), (3120, 21187)]