85470760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1523}}^1$

素因数の和:1618

約数の個数: 64

約数和(自身を含む): 204094080

約数和(自身を除く): 118623320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 1523, 2440, 2806, 3046, 5612, 6092, 7015, 7615, 11224, 12184, 14030, 15230, 28060, 30460, 35029, 56120, 60920, 70058, 92903, 140116, 175145, 185806, 280232, 350290, 371612, 464515, 700580, 743224, 929030, 1401160, 1858060, 2136769, 3716120, 4273538, 8547076, 10683845, 17094152, 21367690, 42735380, 85470760]

約数ペア:

[(1, 85470760), (2, 42735380), (4, 21367690), (5, 17094152), (8, 10683845), (10, 8547076), (20, 4273538), (23, 3716120), (40, 2136769), (46, 1858060), (61, 1401160), (92, 929030), (115, 743224), (122, 700580), (184, 464515), (230, 371612), (244, 350290), (305, 280232), (460, 185806), (488, 175145), (610, 140116), (920, 92903), (1220, 70058), (1403, 60920), (1523, 56120), (2440, 35029), (2806, 30460), (3046, 28060), (5612, 15230), (6092, 14030), (7015, 12184), (7615, 11224)]