1807960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{587}}^1$

素因数の和:616

約数の個数: 64

約数和(自身を含む): 5080320

約数和(自身を除く): 3272360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 587, 616, 770, 1174, 1540, 2348, 2935, 3080, 4109, 4696, 5870, 6457, 8218, 11740, 12914, 16436, 20545, 23480, 25828, 32285, 32872, 41090, 45199, 51656, 64570, 82180, 90398, 129140, 164360, 180796, 225995, 258280, 361592, 451990, 903980, 1807960]

約数ペア:

[(1, 1807960), (2, 903980), (4, 451990), (5, 361592), (7, 258280), (8, 225995), (10, 180796), (11, 164360), (14, 129140), (20, 90398), (22, 82180), (28, 64570), (35, 51656), (40, 45199), (44, 41090), (55, 32872), (56, 32285), (70, 25828), (77, 23480), (88, 20545), (110, 16436), (140, 12914), (154, 11740), (220, 8218), (280, 6457), (308, 5870), (385, 4696), (440, 4109), (587, 3080), (616, 2935), (770, 2348), (1174, 1540)]