2581520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 60

約数和(自身を含む): 6377196

約数和(自身を除く): 3795676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 61, 80, 92, 115, 122, 184, 230, 244, 305, 368, 460, 488, 529, 610, 920, 976, 1058, 1220, 1403, 1840, 2116, 2440, 2645, 2806, 4232, 4880, 5290, 5612, 7015, 8464, 10580, 11224, 14030, 21160, 22448, 28060, 32269, 42320, 56120, 64538, 112240, 129076, 161345, 258152, 322690, 516304, 645380, 1290760, 2581520]

約数ペア:

[(1, 2581520), (2, 1290760), (4, 645380), (5, 516304), (8, 322690), (10, 258152), (16, 161345), (20, 129076), (23, 112240), (40, 64538), (46, 56120), (61, 42320), (80, 32269), (92, 28060), (115, 22448), (122, 21160), (184, 14030), (230, 11224), (244, 10580), (305, 8464), (368, 7015), (460, 5612), (488, 5290), (529, 4880), (610, 4232), (920, 2806), (976, 2645), (1058, 2440), (1220, 2116), (1403, 1840)]