30916760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1013}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 80308800

約数和(自身を除く): 49392040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1013, 1090, 1526, 2026, 2180, 3052, 3815, 4052, 4360, 5065, 6104, 7091, 7630, 8104, 10130, 14182, 15260, 20260, 28364, 30520, 35455, 40520, 56728, 70910, 110417, 141820, 220834, 283640, 441668, 552085, 772919, 883336, 1104170, 1545838, 2208340, 3091676, 3864595, 4416680, 6183352, 7729190, 15458380, 30916760]

約数ペア:

[(1, 30916760), (2, 15458380), (4, 7729190), (5, 6183352), (7, 4416680), (8, 3864595), (10, 3091676), (14, 2208340), (20, 1545838), (28, 1104170), (35, 883336), (40, 772919), (56, 552085), (70, 441668), (109, 283640), (140, 220834), (218, 141820), (280, 110417), (436, 70910), (545, 56728), (763, 40520), (872, 35455), (1013, 30520), (1090, 28364), (1526, 20260), (2026, 15260), (2180, 14182), (3052, 10130), (3815, 8104), (4052, 7630), (4360, 7091), (5065, 6104)]