206456880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{122891}}^1$

素因数の和:122914

約数の個数: 80

約数和(自身を含む): 731453184

約数和(自身を除く): 524996304

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 122891, 245782, 368673, 491564, 614455, 737346, 860237, 983128, 1228910, 1474692, 1720474, 1843365, 1966256, 2457820, 2580711, 2949384, 3440948, 3686730, 4301185, 4915640, 5161422, 5898768, 6881896, 7373460, 8602370, 9831280, 10322844, 12903555, 13763792, 14746920, 17204740, 20645688, 25807110, 29493840, 34409480, 41291376, 51614220, 68818960, 103228440, 206456880]

約数ペア:

[(1, 206456880), (2, 103228440), (3, 68818960), (4, 51614220), (5, 41291376), (6, 34409480), (7, 29493840), (8, 25807110), (10, 20645688), (12, 17204740), (14, 14746920), (15, 13763792), (16, 12903555), (20, 10322844), (21, 9831280), (24, 8602370), (28, 7373460), (30, 6881896), (35, 5898768), (40, 5161422), (42, 4915640), (48, 4301185), (56, 3686730), (60, 3440948), (70, 2949384), (80, 2580711), (84, 2457820), (105, 1966256), (112, 1843365), (120, 1720474), (140, 1474692), (168, 1228910), (210, 983128), (240, 860237), (280, 737346), (336, 614455), (420, 491564), (560, 368673), (840, 245782), (1680, 122891)]