620002740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{1549}}^1$

素因数の和:2521

約数の個数: 96

約数和(自身を含む): 1987372800

約数和(自身を除く): 1367370060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 953, 1549, 1906, 2859, 3098, 3812, 4647, 4765, 5718, 6196, 6671, 7745, 9294, 9530, 10843, 11436, 13342, 14295, 15490, 18588, 19060, 20013, 21686, 23235, 26684, 28590, 30980, 32529, 33355, 40026, 43372, 46470, 54215, 57180, 65058, 66710, 80052, 92940, 100065, 108430, 130116, 133420, 162645, 200130, 216860, 325290, 400260, 650580, 1476197, 2952394, 4428591, 5904788, 7380985, 8857182, 10333379, 14761970, 17714364, 20666758, 22142955, 29523940, 31000137, 41333516, 44285910, 51666895, 62000274, 88571820, 103333790, 124000548, 155000685, 206667580, 310001370, 620002740]

約数ペア:

[(1, 620002740), (2, 310001370), (3, 206667580), (4, 155000685), (5, 124000548), (6, 103333790), (7, 88571820), (10, 62000274), (12, 51666895), (14, 44285910), (15, 41333516), (20, 31000137), (21, 29523940), (28, 22142955), (30, 20666758), (35, 17714364), (42, 14761970), (60, 10333379), (70, 8857182), (84, 7380985), (105, 5904788), (140, 4428591), (210, 2952394), (420, 1476197), (953, 650580), (1549, 400260), (1906, 325290), (2859, 216860), (3098, 200130), (3812, 162645), (4647, 133420), (4765, 130116), (5718, 108430), (6196, 100065), (6671, 92940), (7745, 80052), (9294, 66710), (9530, 65058), (10843, 57180), (11436, 54215), (13342, 46470), (14295, 43372), (15490, 40026), (18588, 33355), (19060, 32529), (20013, 30980), (21686, 28590), (23235, 26684)]