120991980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20789}}^1$

素因数の和:20898

約数の個数: 48

約数和(自身を含む): 342286560

約数和(自身を除く): 221294580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 97, 194, 291, 388, 485, 582, 970, 1164, 1455, 1940, 2910, 5820, 20789, 41578, 62367, 83156, 103945, 124734, 207890, 249468, 311835, 415780, 623670, 1247340, 2016533, 4033066, 6049599, 8066132, 10082665, 12099198, 20165330, 24198396, 30247995, 40330660, 60495990, 120991980]

約数ペア:

[(1, 120991980), (2, 60495990), (3, 40330660), (4, 30247995), (5, 24198396), (6, 20165330), (10, 12099198), (12, 10082665), (15, 8066132), (20, 6049599), (30, 4033066), (60, 2016533), (97, 1247340), (194, 623670), (291, 415780), (388, 311835), (485, 249468), (582, 207890), (970, 124734), (1164, 103945), (1455, 83156), (1940, 62367), (2910, 41578), (5820, 20789)]