206787420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{164117}}^1$

素因数の和:164139

約数の個数: 72

約数和(自身を含む): 716867424

約数和(自身を除く): 510080004

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 164117, 328234, 492351, 656468, 820585, 984702, 1148819, 1477053, 1641170, 1969404, 2297638, 2461755, 2954106, 3282340, 3446457, 4595276, 4923510, 5744095, 5908212, 6892914, 7385265, 9847020, 10339371, 11488190, 13785828, 14770530, 17232285, 20678742, 22976380, 29541060, 34464570, 41357484, 51696855, 68929140, 103393710, 206787420]

約数ペア:

[(1, 206787420), (2, 103393710), (3, 68929140), (4, 51696855), (5, 41357484), (6, 34464570), (7, 29541060), (9, 22976380), (10, 20678742), (12, 17232285), (14, 14770530), (15, 13785828), (18, 11488190), (20, 10339371), (21, 9847020), (28, 7385265), (30, 6892914), (35, 5908212), (36, 5744095), (42, 4923510), (45, 4595276), (60, 3446457), (63, 3282340), (70, 2954106), (84, 2461755), (90, 2297638), (105, 1969404), (126, 1641170), (140, 1477053), (180, 1148819), (210, 984702), (252, 820585), (315, 656468), (420, 492351), (630, 328234), (1260, 164117)]