718830

素因数分解:

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

素因数の和:190

約数の個数: 72

約数和(自身を含む): 2187432

約数和(自身を除く): 1468602

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 163, 210, 245, 294, 315, 326, 441, 489, 490, 630, 735, 815, 882, 978, 1141, 1467, 1470, 1630, 2205, 2282, 2445, 2934, 3423, 4410, 4890, 5705, 6846, 7335, 7987, 10269, 11410, 14670, 15974, 17115, 20538, 23961, 34230, 39935, 47922, 51345, 71883, 79870, 102690, 119805, 143766, 239610, 359415, 718830]

約数ペア:

[(1, 718830), (2, 359415), (3, 239610), (5, 143766), (6, 119805), (7, 102690), (9, 79870), (10, 71883), (14, 51345), (15, 47922), (18, 39935), (21, 34230), (30, 23961), (35, 20538), (42, 17115), (45, 15974), (49, 14670), (63, 11410), (70, 10269), (90, 7987), (98, 7335), (105, 6846), (126, 5705), (147, 4890), (163, 4410), (210, 3423), (245, 2934), (294, 2445), (315, 2282), (326, 2205), (441, 1630), (489, 1470), (490, 1467), (630, 1141), (735, 978), (815, 882)]