66759440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{709}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 171149760

約数和(自身を除く): 104390320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 107, 110, 176, 214, 220, 428, 440, 535, 709, 856, 880, 1070, 1177, 1418, 1712, 2140, 2354, 2836, 3545, 4280, 4708, 5672, 5885, 7090, 7799, 8560, 9416, 11344, 11770, 14180, 15598, 18832, 23540, 28360, 31196, 38995, 47080, 56720, 62392, 75863, 77990, 94160, 124784, 151726, 155980, 303452, 311960, 379315, 606904, 623920, 758630, 834493, 1213808, 1517260, 1668986, 3034520, 3337972, 4172465, 6069040, 6675944, 8344930, 13351888, 16689860, 33379720, 66759440]

約数ペア:

[(1, 66759440), (2, 33379720), (4, 16689860), (5, 13351888), (8, 8344930), (10, 6675944), (11, 6069040), (16, 4172465), (20, 3337972), (22, 3034520), (40, 1668986), (44, 1517260), (55, 1213808), (80, 834493), (88, 758630), (107, 623920), (110, 606904), (176, 379315), (214, 311960), (220, 303452), (428, 155980), (440, 151726), (535, 124784), (709, 94160), (856, 77990), (880, 75863), (1070, 62392), (1177, 56720), (1418, 47080), (1712, 38995), (2140, 31196), (2354, 28360), (2836, 23540), (3545, 18832), (4280, 15598), (4708, 14180), (5672, 11770), (5885, 11344), (7090, 9416), (7799, 8560)]