1581940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2087180

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 181, 190, 230, 362, 380, 437, 460, 724, 874, 905, 1748, 1810, 2185, 3439, 3620, 4163, 4370, 6878, 8326, 8740, 13756, 16652, 17195, 20815, 34390, 41630, 68780, 79097, 83260, 158194, 316388, 395485, 790970, 1581940]

約数ペア:

[(1, 1581940), (2, 790970), (4, 395485), (5, 316388), (10, 158194), (19, 83260), (20, 79097), (23, 68780), (38, 41630), (46, 34390), (76, 20815), (92, 17195), (95, 16652), (115, 13756), (181, 8740), (190, 8326), (230, 6878), (362, 4370), (380, 4163), (437, 3620), (460, 3439), (724, 2185), (874, 1810), (905, 1748)]