172921680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{240169}}^1$

素因数の和:240188

約数の個数: 60

約数和(自身を含む): 580731060

約数和(自身を除く): 407809380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 240169, 480338, 720507, 960676, 1200845, 1441014, 1921352, 2161521, 2401690, 2882028, 3602535, 3842704, 4323042, 4803380, 5764056, 7205070, 8646084, 9606760, 10807605, 11528112, 14410140, 17292168, 19213520, 21615210, 28820280, 34584336, 43230420, 57640560, 86460840, 172921680]

約数ペア:

[(1, 172921680), (2, 86460840), (3, 57640560), (4, 43230420), (5, 34584336), (6, 28820280), (8, 21615210), (9, 19213520), (10, 17292168), (12, 14410140), (15, 11528112), (16, 10807605), (18, 9606760), (20, 8646084), (24, 7205070), (30, 5764056), (36, 4803380), (40, 4323042), (45, 3842704), (48, 3602535), (60, 2882028), (72, 2401690), (80, 2161521), (90, 1921352), (120, 1441014), (144, 1200845), (180, 960676), (240, 720507), (360, 480338), (720, 240169)]