120280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:139

約数の個数: 32

約数和(自身を含む): 282240

約数和(自身を除く): 161960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 97, 124, 155, 194, 248, 310, 388, 485, 620, 776, 970, 1240, 1940, 3007, 3880, 6014, 12028, 15035, 24056, 30070, 60140, 120280]

約数ペア:

[(1, 120280), (2, 60140), (4, 30070), (5, 24056), (8, 15035), (10, 12028), (20, 6014), (31, 3880), (40, 3007), (62, 1940), (97, 1240), (124, 970), (155, 776), (194, 620), (248, 485), (310, 388)]