2156490

素因数分解:

$2^1\times 3^3\times 5^1\times 7^2\times {\mathrm{163}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 6730560

約数和(自身を除く): 4574070

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 90, 98, 105, 126, 135, 147, 163, 189, 210, 245, 270, 294, 315, 326, 378, 441, 489, 490, 630, 735, 815, 882, 945, 978, 1141, 1323, 1467, 1470, 1630, 1890, 2205, 2282, 2445, 2646, 2934, 3423, 4401, 4410, 4890, 5705, 6615, 6846, 7335, 7987, 8802, 10269, 11410, 13230, 14670, 15974, 17115, 20538, 22005, 23961, 30807, 34230, 39935, 44010, 47922, 51345, 61614, 71883, 79870, 102690, 119805, 143766, 154035, 215649, 239610, 308070, 359415, 431298, 718830, 1078245, 2156490]

約数ペア:

[(1, 2156490), (2, 1078245), (3, 718830), (5, 431298), (6, 359415), (7, 308070), (9, 239610), (10, 215649), (14, 154035), (15, 143766), (18, 119805), (21, 102690), (27, 79870), (30, 71883), (35, 61614), (42, 51345), (45, 47922), (49, 44010), (54, 39935), (63, 34230), (70, 30807), (90, 23961), (98, 22005), (105, 20538), (126, 17115), (135, 15974), (147, 14670), (163, 13230), (189, 11410), (210, 10269), (245, 8802), (270, 7987), (294, 7335), (315, 6846), (326, 6615), (378, 5705), (441, 4890), (489, 4410), (490, 4401), (630, 3423), (735, 2934), (815, 2646), (882, 2445), (945, 2282), (978, 2205), (1141, 1890), (1323, 1630), (1467, 1470)]