871855740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{691949}}^1$

素因数の和:691971

約数の個数: 72

約数和(自身を含む): 3022437600

約数和(自身を除く): 2150581860

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, 691949, 1383898, 2075847, 2767796, 3459745, 4151694, 4843643, 6227541, 6919490, 8303388, 9687286, 10379235, 12455082, 13838980, 14530929, 19374572, 20758470, 24218215, 24910164, 29061858, 31137705, 41516940, 43592787, 48436430, 58123716, 62275410, 72654645, 87185574, 96872860, 124550820, 145309290, 174371148, 217963935, 290618580, 435927870, 871855740]

約数ペア:

[(1, 871855740), (2, 435927870), (3, 290618580), (4, 217963935), (5, 174371148), (6, 145309290), (7, 124550820), (9, 96872860), (10, 87185574), (12, 72654645), (14, 62275410), (15, 58123716), (18, 48436430), (20, 43592787), (21, 41516940), (28, 31137705), (30, 29061858), (35, 24910164), (36, 24218215), (42, 20758470), (45, 19374572), (60, 14530929), (63, 13838980), (70, 12455082), (84, 10379235), (90, 9687286), (105, 8303388), (126, 6919490), (140, 6227541), (180, 4843643), (210, 4151694), (252, 3459745), (315, 2767796), (420, 2075847), (630, 1383898), (1260, 691949)]