30955920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{128983}}^1$

素因数の和:128999

約数の個数: 40

約数和(自身を含む): 95964096

約数和(自身を除く): 65008176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 128983, 257966, 386949, 515932, 644915, 773898, 1031864, 1289830, 1547796, 1934745, 2063728, 2579660, 3095592, 3869490, 5159320, 6191184, 7738980, 10318640, 15477960, 30955920]

約数ペア:

[(1, 30955920), (2, 15477960), (3, 10318640), (4, 7738980), (5, 6191184), (6, 5159320), (8, 3869490), (10, 3095592), (12, 2579660), (15, 2063728), (16, 1934745), (20, 1547796), (24, 1289830), (30, 1031864), (40, 773898), (48, 644915), (60, 515932), (80, 386949), (120, 257966), (240, 128983)]