66584840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{599}}^1$

素因数の和:1014

約数の個数: 64

約数和(自身を含む): 171936000

約数和(自身を除く): 105351160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 397, 599, 794, 1198, 1588, 1985, 2396, 2779, 2995, 3176, 3970, 4193, 4792, 5558, 5990, 7940, 8386, 11116, 11980, 13895, 15880, 16772, 20965, 22232, 23960, 27790, 33544, 41930, 55580, 83860, 111160, 167720, 237803, 475606, 951212, 1189015, 1664621, 1902424, 2378030, 3329242, 4756060, 6658484, 8323105, 9512120, 13316968, 16646210, 33292420, 66584840]

約数ペア:

[(1, 66584840), (2, 33292420), (4, 16646210), (5, 13316968), (7, 9512120), (8, 8323105), (10, 6658484), (14, 4756060), (20, 3329242), (28, 2378030), (35, 1902424), (40, 1664621), (56, 1189015), (70, 951212), (140, 475606), (280, 237803), (397, 167720), (599, 111160), (794, 83860), (1198, 55580), (1588, 41930), (1985, 33544), (2396, 27790), (2779, 23960), (2995, 22232), (3176, 20965), (3970, 16772), (4193, 15880), (4792, 13895), (5558, 11980), (5990, 11116), (7940, 8386)]