2187694.00000000

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{457}}^1\times {\mathrm{1091}}^1$

素因数の和:1563

約数の個数: 72

約数和(自身を含む): 273074256

約数和(自身を除く): 183328596

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 457, 914, 1091, 1371, 1828, 2182, 2285, 2742, 3273, 4113, 4364, 4570, 5455, 5484, 6546, 6855, 8226, 9140, 9819, 10910, 13092, 13710, 16365, 16452, 19638, 20565, 21820, 27420, 32730, 39276, 41130, 49095, 65460, 82260, 98190, 196380, 498587, 997174, 1495761, 1994348, 2492935, 2991522, 4487283, 4985870, 5983044, 7478805, 8974566, 9971740, 14957610, 17949132, 22436415, 29915220, 44872830, 89745660]

約数ペア:

[(1, 89745660), (2, 44872830), (3, 29915220), (4, 22436415), (5, 17949132), (6, 14957610), (9, 9971740), (10, 8974566), (12, 7478805), (15, 5983044), (18, 4985870), (20, 4487283), (30, 2991522), (36, 2492935), (45, 1994348), (60, 1495761), (90, 997174), (180, 498587), (457, 196380), (914, 98190), (1091, 82260), (1371, 65460), (1828, 49095), (2182, 41130), (2285, 39276), (2742, 32730), (3273, 27420), (4113, 21820), (4364, 20565), (4570, 19638), (5455, 16452), (5484, 16365), (6546, 13710), (6855, 13092), (8226, 10910), (9140, 9819)]