1618680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 5806080

約数和(自身を除く): 4187400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 41, 42, 47, 56, 60, 70, 82, 84, 94, 105, 120, 123, 140, 141, 164, 168, 188, 205, 210, 235, 246, 280, 282, 287, 328, 329, 376, 410, 420, 470, 492, 564, 574, 615, 658, 705, 820, 840, 861, 940, 984, 987, 1128, 1148, 1230, 1316, 1410, 1435, 1640, 1645, 1722, 1880, 1927, 1974, 2296, 2460, 2632, 2820, 2870, 3290, 3444, 3854, 3948, 4305, 4920, 4935, 5640, 5740, 5781, 6580, 6888, 7708, 7896, 8610, 9635, 9870, 11480, 11562, 13160, 13489, 15416, 17220, 19270, 19740, 23124, 26978, 28905, 34440, 38540, 39480, 40467, 46248, 53956, 57810, 67445, 77080, 80934, 107912, 115620, 134890, 161868, 202335, 231240, 269780, 323736, 404670, 539560, 809340, 1618680]

約数ペア:

[(1, 1618680), (2, 809340), (3, 539560), (4, 404670), (5, 323736), (6, 269780), (7, 231240), (8, 202335), (10, 161868), (12, 134890), (14, 115620), (15, 107912), (20, 80934), (21, 77080), (24, 67445), (28, 57810), (30, 53956), (35, 46248), (40, 40467), (41, 39480), (42, 38540), (47, 34440), (56, 28905), (60, 26978), (70, 23124), (82, 19740), (84, 19270), (94, 17220), (105, 15416), (120, 13489), (123, 13160), (140, 11562), (141, 11480), (164, 9870), (168, 9635), (188, 8610), (205, 7896), (210, 7708), (235, 6888), (246, 6580), (280, 5781), (282, 5740), (287, 5640), (328, 4935), (329, 4920), (376, 4305), (410, 3948), (420, 3854), (470, 3444), (492, 3290), (564, 2870), (574, 2820), (615, 2632), (658, 2460), (705, 2296), (820, 1974), (840, 1927), (861, 1880), (940, 1722), (984, 1645), (987, 1640), (1128, 1435), (1148, 1410), (1230, 1316)]