163618980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{389569}}^1$

素因数の和:389588

約数の個数: 48

約数和(自身を含む): 523582080

約数和(自身を除く): 359963100

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, 389569, 779138, 1168707, 1558276, 1947845, 2337414, 2726983, 3895690, 4674828, 5453966, 5843535, 7791380, 8180949, 10907932, 11687070, 13634915, 16361898, 23374140, 27269830, 32723796, 40904745, 54539660, 81809490, 163618980]

約数ペア:

[(1, 163618980), (2, 81809490), (3, 54539660), (4, 40904745), (5, 32723796), (6, 27269830), (7, 23374140), (10, 16361898), (12, 13634915), (14, 11687070), (15, 10907932), (20, 8180949), (21, 7791380), (28, 5843535), (30, 5453966), (35, 4674828), (42, 3895690), (60, 2726983), (70, 2337414), (84, 1947845), (105, 1558276), (140, 1168707), (210, 779138), (420, 389569)]