68128620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23173}}^1$

素因数の和:23199

約数の個数: 72

約数和(自身を含む): 221914224

約数和(自身を除く): 153785604

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, 23173, 46346, 69519, 92692, 115865, 139038, 162211, 231730, 278076, 324422, 347595, 463460, 486633, 648844, 695190, 811055, 973266, 1135477, 1390380, 1622110, 1946532, 2270954, 2433165, 3244220, 3406431, 4541908, 4866330, 5677385, 6812862, 9732660, 11354770, 13625724, 17032155, 22709540, 34064310, 68128620]

約数ペア:

[(1, 68128620), (2, 34064310), (3, 22709540), (4, 17032155), (5, 13625724), (6, 11354770), (7, 9732660), (10, 6812862), (12, 5677385), (14, 4866330), (15, 4541908), (20, 3406431), (21, 3244220), (28, 2433165), (30, 2270954), (35, 1946532), (42, 1622110), (49, 1390380), (60, 1135477), (70, 973266), (84, 811055), (98, 695190), (105, 648844), (140, 486633), (147, 463460), (196, 347595), (210, 324422), (245, 278076), (294, 231730), (420, 162211), (490, 139038), (588, 115865), (735, 92692), (980, 69519), (1470, 46346), (2940, 23173)]