217245780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{402307}}^1$

素因数の和:402325

約数の個数: 48

約数和(自身を含む): 675877440

約数和(自身を除く): 458631660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 402307, 804614, 1206921, 1609228, 2011535, 2413842, 3620763, 4023070, 4827684, 6034605, 7241526, 8046140, 10862289, 12069210, 14483052, 18103815, 21724578, 24138420, 36207630, 43449156, 54311445, 72415260, 108622890, 217245780]

約数ペア:

[(1, 217245780), (2, 108622890), (3, 72415260), (4, 54311445), (5, 43449156), (6, 36207630), (9, 24138420), (10, 21724578), (12, 18103815), (15, 14483052), (18, 12069210), (20, 10862289), (27, 8046140), (30, 7241526), (36, 6034605), (45, 4827684), (54, 4023070), (60, 3620763), (90, 2413842), (108, 2011535), (135, 1609228), (180, 1206921), (270, 804614), (540, 402307)]