166897840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{122719}}^1$

素因数の和:122749

約数の個数: 40

約数和(自身を含む): 410866560

約数和(自身を除く): 243968720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 122719, 245438, 490876, 613595, 981752, 1227190, 1963504, 2086223, 2454380, 4172446, 4908760, 8344892, 9817520, 10431115, 16689784, 20862230, 33379568, 41724460, 83448920, 166897840]

約数ペア:

[(1, 166897840), (2, 83448920), (4, 41724460), (5, 33379568), (8, 20862230), (10, 16689784), (16, 10431115), (17, 9817520), (20, 8344892), (34, 4908760), (40, 4172446), (68, 2454380), (80, 2086223), (85, 1963504), (136, 1227190), (170, 981752), (272, 613595), (340, 490876), (680, 245438), (1360, 122719)]