168932820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{402221}}^1$

素因数の和:402240

約数の個数: 48

約数和(自身を含む): 540586368

約数和(自身を除く): 371653548

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, 402221, 804442, 1206663, 1608884, 2011105, 2413326, 2815547, 4022210, 4826652, 5631094, 6033315, 8044420, 8446641, 11262188, 12066630, 14077735, 16893282, 24133260, 28155470, 33786564, 42233205, 56310940, 84466410, 168932820]

約数ペア:

[(1, 168932820), (2, 84466410), (3, 56310940), (4, 42233205), (5, 33786564), (6, 28155470), (7, 24133260), (10, 16893282), (12, 14077735), (14, 12066630), (15, 11262188), (20, 8446641), (21, 8044420), (28, 6033315), (30, 5631094), (35, 4826652), (42, 4022210), (60, 2815547), (70, 2413326), (84, 2011105), (105, 1608884), (140, 1206663), (210, 804442), (420, 402221)]