1290760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:118

約数の個数: 48

約数和(自身を含む): 3085740

約数和(自身を除く): 1794980

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 529, 610, 920, 1058, 1220, 1403, 2116, 2440, 2645, 2806, 4232, 5290, 5612, 7015, 10580, 11224, 14030, 21160, 28060, 32269, 56120, 64538, 129076, 161345, 258152, 322690, 645380, 1290760]

約数ペア:

[(1, 1290760), (2, 645380), (4, 322690), (5, 258152), (8, 161345), (10, 129076), (20, 64538), (23, 56120), (40, 32269), (46, 28060), (61, 21160), (92, 14030), (115, 11224), (122, 10580), (184, 7015), (230, 5612), (244, 5290), (305, 4232), (460, 2806), (488, 2645), (529, 2440), (610, 2116), (920, 1403), (1058, 1220)]