66821940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{371233}}^1$

素因数の和:371248

約数の個数: 36

約数和(自身を含む): 202693764

約数和(自身を除く): 135871824

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 371233, 742466, 1113699, 1484932, 1856165, 2227398, 3341097, 3712330, 4454796, 5568495, 6682194, 7424660, 11136990, 13364388, 16705485, 22273980, 33410970, 66821940]

約数ペア:

[(1, 66821940), (2, 33410970), (3, 22273980), (4, 16705485), (5, 13364388), (6, 11136990), (9, 7424660), (10, 6682194), (12, 5568495), (15, 4454796), (18, 3712330), (20, 3341097), (30, 2227398), (36, 1856165), (45, 1484932), (60, 1113699), (90, 742466), (180, 371233)]