161528280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{13877}}^1$

素因数の和:13988

約数の個数: 64

約数和(自身を含む): 489615840

約数和(自身を除く): 328087560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2910, 3880, 5820, 11640, 13877, 27754, 41631, 55508, 69385, 83262, 111016, 138770, 166524, 208155, 277540, 333048, 416310, 555080, 832620, 1346069, 1665240, 2692138, 4038207, 5384276, 6730345, 8076414, 10768552, 13460690, 16152828, 20191035, 26921380, 32305656, 40382070, 53842760, 80764140, 161528280]

約数ペア:

[(1, 161528280), (2, 80764140), (3, 53842760), (4, 40382070), (5, 32305656), (6, 26921380), (8, 20191035), (10, 16152828), (12, 13460690), (15, 10768552), (20, 8076414), (24, 6730345), (30, 5384276), (40, 4038207), (60, 2692138), (97, 1665240), (120, 1346069), (194, 832620), (291, 555080), (388, 416310), (485, 333048), (582, 277540), (776, 208155), (970, 166524), (1164, 138770), (1455, 111016), (1940, 83262), (2328, 69385), (2910, 55508), (3880, 41631), (5820, 27754), (11640, 13877)]