78912840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{657607}}^1$

素因数の和:657621

約数の個数: 32

約数和(自身を含む): 236738880

約数和(自身を除く): 157826040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 657607, 1315214, 1972821, 2630428, 3288035, 3945642, 5260856, 6576070, 7891284, 9864105, 13152140, 15782568, 19728210, 26304280, 39456420, 78912840]

約数ペア:

[(1, 78912840), (2, 39456420), (3, 26304280), (4, 19728210), (5, 15782568), (6, 13152140), (8, 9864105), (10, 7891284), (12, 6576070), (15, 5260856), (20, 3945642), (24, 3288035), (30, 2630428), (40, 1972821), (60, 1315214), (120, 657607)]