353640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{421}}^1$

素因数の和:442

約数の個数: 64

約数和(自身を含む): 1215360

約数和(自身を除く): 861720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 421, 840, 842, 1263, 1684, 2105, 2526, 2947, 3368, 4210, 5052, 5894, 6315, 8420, 8841, 10104, 11788, 12630, 14735, 16840, 17682, 23576, 25260, 29470, 35364, 44205, 50520, 58940, 70728, 88410, 117880, 176820, 353640]

約数ペア:

[(1, 353640), (2, 176820), (3, 117880), (4, 88410), (5, 70728), (6, 58940), (7, 50520), (8, 44205), (10, 35364), (12, 29470), (14, 25260), (15, 23576), (20, 17682), (21, 16840), (24, 14735), (28, 12630), (30, 11788), (35, 10104), (40, 8841), (42, 8420), (56, 6315), (60, 5894), (70, 5052), (84, 4210), (105, 3368), (120, 2947), (140, 2526), (168, 2105), (210, 1684), (280, 1263), (420, 842), (421, 840)]