68534340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23311}}^1$

素因数の和:23337

約数の個数: 72

約数和(自身を含む): 223235712

約数和(自身を除く): 154701372

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23311, 46622, 69933, 93244, 116555, 139866, 163177, 233110, 279732, 326354, 349665, 466220, 489531, 652708, 699330, 815885, 979062, 1142239, 1398660, 1631770, 1958124, 2284478, 2447655, 3263540, 3426717, 4568956, 4895310, 5711195, 6853434, 9790620, 11422390, 13706868, 17133585, 22844780, 34267170, 68534340]

約数ペア:

[(1, 68534340), (2, 34267170), (3, 22844780), (4, 17133585), (5, 13706868), (6, 11422390), (7, 9790620), (10, 6853434), (12, 5711195), (14, 4895310), (15, 4568956), (20, 3426717), (21, 3263540), (28, 2447655), (30, 2284478), (35, 1958124), (42, 1631770), (49, 1398660), (60, 1142239), (70, 979062), (84, 815885), (98, 699330), (105, 652708), (140, 489531), (147, 466220), (196, 349665), (210, 326354), (245, 279732), (294, 233110), (420, 163177), (490, 139866), (588, 116555), (735, 93244), (980, 69933), (1470, 46622), (2940, 23311)]