211542660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{167891}}^1$

素因数の和:167913

約数の個数: 72

約数和(自身を含む): 733352256

約数和(自身を除く): 521809596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 167891, 335782, 503673, 671564, 839455, 1007346, 1175237, 1511019, 1678910, 2014692, 2350474, 2518365, 3022038, 3357820, 3525711, 4700948, 5036730, 5876185, 6044076, 7051422, 7555095, 10073460, 10577133, 11752370, 14102844, 15110190, 17628555, 21154266, 23504740, 30220380, 35257110, 42308532, 52885665, 70514220, 105771330, 211542660]

約数ペア:

[(1, 211542660), (2, 105771330), (3, 70514220), (4, 52885665), (5, 42308532), (6, 35257110), (7, 30220380), (9, 23504740), (10, 21154266), (12, 17628555), (14, 15110190), (15, 14102844), (18, 11752370), (20, 10577133), (21, 10073460), (28, 7555095), (30, 7051422), (35, 6044076), (36, 5876185), (42, 5036730), (45, 4700948), (60, 3525711), (63, 3357820), (70, 3022038), (84, 2518365), (90, 2350474), (105, 2014692), (126, 1678910), (140, 1511019), (180, 1175237), (210, 1007346), (252, 839455), (315, 671564), (420, 503673), (630, 335782), (1260, 167891)]