181561680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{252169}}^1$

素因数の和:252188

約数の個数: 60

約数和(自身を含む): 609747060

約数和(自身を除く): 428185380

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, 252169, 504338, 756507, 1008676, 1260845, 1513014, 2017352, 2269521, 2521690, 3026028, 3782535, 4034704, 4539042, 5043380, 6052056, 7565070, 9078084, 10086760, 11347605, 12104112, 15130140, 18156168, 20173520, 22695210, 30260280, 36312336, 45390420, 60520560, 90780840, 181561680]

約数ペア:

[(1, 181561680), (2, 90780840), (3, 60520560), (4, 45390420), (5, 36312336), (6, 30260280), (8, 22695210), (9, 20173520), (10, 18156168), (12, 15130140), (15, 12104112), (16, 11347605), (18, 10086760), (20, 9078084), (24, 7565070), (30, 6052056), (36, 5043380), (40, 4539042), (45, 4034704), (48, 3782535), (60, 3026028), (72, 2521690), (80, 2269521), (90, 2017352), (120, 1513014), (144, 1260845), (180, 1008676), (240, 756507), (360, 504338), (720, 252169)]