9989040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41621}}^1$

素因数の和:41637

約数の個数: 40

約数和(自身を含む): 30966768

約数和(自身を除く): 20977728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 41621, 83242, 124863, 166484, 208105, 249726, 332968, 416210, 499452, 624315, 665936, 832420, 998904, 1248630, 1664840, 1997808, 2497260, 3329680, 4994520, 9989040]

約数ペア:

[(1, 9989040), (2, 4994520), (3, 3329680), (4, 2497260), (5, 1997808), (6, 1664840), (8, 1248630), (10, 998904), (12, 832420), (15, 665936), (16, 624315), (20, 499452), (24, 416210), (30, 332968), (40, 249726), (48, 208105), (60, 166484), (80, 124863), (120, 83242), (240, 41621)]