30178280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:770

約数の個数: 64

約数和(自身を含む): 74882880

約数和(自身を除く): 44704600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 107, 110, 214, 220, 428, 440, 535, 641, 856, 1070, 1177, 1282, 2140, 2354, 2564, 3205, 4280, 4708, 5128, 5885, 6410, 7051, 9416, 11770, 12820, 14102, 23540, 25640, 28204, 35255, 47080, 56408, 68587, 70510, 137174, 141020, 274348, 282040, 342935, 548696, 685870, 754457, 1371740, 1508914, 2743480, 3017828, 3772285, 6035656, 7544570, 15089140, 30178280]

約数ペア:

[(1, 30178280), (2, 15089140), (4, 7544570), (5, 6035656), (8, 3772285), (10, 3017828), (11, 2743480), (20, 1508914), (22, 1371740), (40, 754457), (44, 685870), (55, 548696), (88, 342935), (107, 282040), (110, 274348), (214, 141020), (220, 137174), (428, 70510), (440, 68587), (535, 56408), (641, 47080), (856, 35255), (1070, 28204), (1177, 25640), (1282, 23540), (2140, 14102), (2354, 12820), (2564, 11770), (3205, 9416), (4280, 7051), (4708, 6410), (5128, 5885)]