30789040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{22639}}^1$

素因数の和:22669

約数の個数: 40

約数和(自身を含む): 75798720

約数和(自身を除く): 45009680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 22639, 45278, 90556, 113195, 181112, 226390, 362224, 384863, 452780, 769726, 905560, 1539452, 1811120, 1924315, 3078904, 3848630, 6157808, 7697260, 15394520, 30789040]

約数ペア:

[(1, 30789040), (2, 15394520), (4, 7697260), (5, 6157808), (8, 3848630), (10, 3078904), (16, 1924315), (17, 1811120), (20, 1539452), (34, 905560), (40, 769726), (68, 452780), (80, 384863), (85, 362224), (136, 226390), (170, 181112), (272, 113195), (340, 90556), (680, 45278), (1360, 22639)]