7408020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{397}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 20861568

約数和(自身を除く): 13453548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311, 397, 622, 794, 933, 1191, 1244, 1555, 1588, 1866, 1985, 2382, 3110, 3732, 3970, 4665, 4764, 5955, 6220, 7940, 9330, 11910, 18660, 23820, 123467, 246934, 370401, 493868, 617335, 740802, 1234670, 1481604, 1852005, 2469340, 3704010, 7408020]

約数ペア:

[(1, 7408020), (2, 3704010), (3, 2469340), (4, 1852005), (5, 1481604), (6, 1234670), (10, 740802), (12, 617335), (15, 493868), (20, 370401), (30, 246934), (60, 123467), (311, 23820), (397, 18660), (622, 11910), (794, 9330), (933, 7940), (1191, 6220), (1244, 5955), (1555, 4764), (1588, 4665), (1866, 3970), (1985, 3732), (2382, 3110)]