155117560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{298303}}^1$

素因数の和:298327

約数の個数: 32

約数和(自身を含む): 375863040

約数和(自身を除く): 220745480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 298303, 596606, 1193212, 1491515, 2386424, 2983030, 3877939, 5966060, 7755878, 11932120, 15511756, 19389695, 31023512, 38779390, 77558780, 155117560]

約数ペア:

[(1, 155117560), (2, 77558780), (4, 38779390), (5, 31023512), (8, 19389695), (10, 15511756), (13, 11932120), (20, 7755878), (26, 5966060), (40, 3877939), (52, 2983030), (65, 2386424), (104, 1491515), (130, 1193212), (260, 596606), (520, 298303)]