206397240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{245711}}^1$

素因数の和:245732

約数の個数: 64

約数和(自身を含む): 707650560

約数和(自身を除く): 501253320

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, 840, 245711, 491422, 737133, 982844, 1228555, 1474266, 1719977, 1965688, 2457110, 2948532, 3439954, 3685665, 4914220, 5159931, 5897064, 6879908, 7371330, 8599885, 9828440, 10319862, 13759816, 14742660, 17199770, 20639724, 25799655, 29485320, 34399540, 41279448, 51599310, 68799080, 103198620, 206397240]

約数ペア:

[(1, 206397240), (2, 103198620), (3, 68799080), (4, 51599310), (5, 41279448), (6, 34399540), (7, 29485320), (8, 25799655), (10, 20639724), (12, 17199770), (14, 14742660), (15, 13759816), (20, 10319862), (21, 9828440), (24, 8599885), (28, 7371330), (30, 6879908), (35, 5897064), (40, 5159931), (42, 4914220), (56, 3685665), (60, 3439954), (70, 2948532), (84, 2457110), (105, 1965688), (120, 1719977), (140, 1474266), (168, 1228555), (210, 982844), (280, 737133), (420, 491422), (840, 245711)]