16870980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{40169}}^1$

素因数の和:40188

約数の個数: 48

約数和(自身を含む): 53988480

約数和(自身を除く): 37117500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 40169, 80338, 120507, 160676, 200845, 241014, 281183, 401690, 482028, 562366, 602535, 803380, 843549, 1124732, 1205070, 1405915, 1687098, 2410140, 2811830, 3374196, 4217745, 5623660, 8435490, 16870980]

約数ペア:

[(1, 16870980), (2, 8435490), (3, 5623660), (4, 4217745), (5, 3374196), (6, 2811830), (7, 2410140), (10, 1687098), (12, 1405915), (14, 1205070), (15, 1124732), (20, 843549), (21, 803380), (28, 602535), (30, 562366), (35, 482028), (42, 401690), (60, 281183), (70, 241014), (84, 200845), (105, 160676), (140, 120507), (210, 80338), (420, 40169)]