1680843640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{14327}}^1$

素因数の和:14764

約数の個数: 64

約数和(自身を含む): 4332787200

約数和(自身を除く): 2651943560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 838, 1676, 2095, 2933, 3352, 4190, 5866, 8380, 11732, 14327, 14665, 16760, 23464, 28654, 29330, 57308, 58660, 71635, 100289, 114616, 117320, 143270, 200578, 286540, 401156, 501445, 573080, 802312, 1002890, 2005780, 4011560, 6003013, 12006026, 24012052, 30015065, 42021091, 48024104, 60030130, 84042182, 120060260, 168084364, 210105455, 240120520, 336168728, 420210910, 840421820, 1680843640]

約数ペア:

[(1, 1680843640), (2, 840421820), (4, 420210910), (5, 336168728), (7, 240120520), (8, 210105455), (10, 168084364), (14, 120060260), (20, 84042182), (28, 60030130), (35, 48024104), (40, 42021091), (56, 30015065), (70, 24012052), (140, 12006026), (280, 6003013), (419, 4011560), (838, 2005780), (1676, 1002890), (2095, 802312), (2933, 573080), (3352, 501445), (4190, 401156), (5866, 286540), (8380, 200578), (11732, 143270), (14327, 117320), (14665, 114616), (16760, 100289), (23464, 71635), (28654, 58660), (29330, 57308)]