256720170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{3331}}^1$

素因数の和:3715

約数の個数: 64

約数和(自身を含む): 706277376

約数和(自身を除く): 449557206

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 367, 734, 1101, 1835, 2202, 2569, 3331, 3670, 5138, 5505, 6662, 7707, 9993, 11010, 12845, 15414, 16655, 19986, 23317, 25690, 33310, 38535, 46634, 49965, 69951, 77070, 99930, 116585, 139902, 233170, 349755, 699510, 1222477, 2444954, 3667431, 6112385, 7334862, 8557339, 12224770, 17114678, 18337155, 25672017, 36674310, 42786695, 51344034, 85573390, 128360085, 256720170]

約数ペア:

[(1, 256720170), (2, 128360085), (3, 85573390), (5, 51344034), (6, 42786695), (7, 36674310), (10, 25672017), (14, 18337155), (15, 17114678), (21, 12224770), (30, 8557339), (35, 7334862), (42, 6112385), (70, 3667431), (105, 2444954), (210, 1222477), (367, 699510), (734, 349755), (1101, 233170), (1835, 139902), (2202, 116585), (2569, 99930), (3331, 77070), (3670, 69951), (5138, 49965), (5505, 46634), (6662, 38535), (7707, 33310), (9993, 25690), (11010, 23317), (12845, 19986), (15414, 16655)]