12771480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1584

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 26108520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1499, 1704, 2130, 2840, 2998, 4260, 4497, 5996, 7495, 8520, 8994, 11992, 14990, 17988, 22485, 29980, 35976, 44970, 59960, 89940, 106429, 179880, 212858, 319287, 425716, 532145, 638574, 851432, 1064290, 1277148, 1596435, 2128580, 2554296, 3192870, 4257160, 6385740, 12771480]

約数ペア:

[(1, 12771480), (2, 6385740), (3, 4257160), (4, 3192870), (5, 2554296), (6, 2128580), (8, 1596435), (10, 1277148), (12, 1064290), (15, 851432), (20, 638574), (24, 532145), (30, 425716), (40, 319287), (60, 212858), (71, 179880), (120, 106429), (142, 89940), (213, 59960), (284, 44970), (355, 35976), (426, 29980), (568, 22485), (710, 17988), (852, 14990), (1065, 11992), (1420, 8994), (1499, 8520), (1704, 7495), (2130, 5996), (2840, 4497), (2998, 4260)]