159221680

素因数分解:

$2^4\times 5^1\times {\mathrm{661}}^1\times {\mathrm{3011}}^1$

素因数の和:3685

約数の個数: 40

約数和(自身を含む): 370873584

約数和(自身を除く): 211651904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 661, 1322, 2644, 3011, 3305, 5288, 6022, 6610, 10576, 12044, 13220, 15055, 24088, 26440, 30110, 48176, 52880, 60220, 120440, 240880, 1990271, 3980542, 7961084, 9951355, 15922168, 19902710, 31844336, 39805420, 79610840, 159221680]

約数ペア:

[(1, 159221680), (2, 79610840), (4, 39805420), (5, 31844336), (8, 19902710), (10, 15922168), (16, 9951355), (20, 7961084), (40, 3980542), (80, 1990271), (661, 240880), (1322, 120440), (2644, 60220), (3011, 52880), (3305, 48176), (5288, 30110), (6022, 26440), (6610, 24088), (10576, 15055), (12044, 13220)]