491031660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{1289}}^1$

素因数の和:2215

約数の個数: 96

約数和(自身を含む): 1574254080

約数和(自身を除く): 1083222420

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, 907, 1289, 1814, 2578, 2721, 3628, 3867, 4535, 5156, 5442, 6349, 6445, 7734, 9023, 9070, 10884, 12698, 12890, 13605, 15468, 18046, 18140, 19047, 19335, 25396, 25780, 27069, 27210, 31745, 36092, 38094, 38670, 45115, 54138, 54420, 63490, 76188, 77340, 90230, 95235, 108276, 126980, 135345, 180460, 190470, 270690, 380940, 541380, 1169123, 2338246, 3507369, 4676492, 5845615, 7014738, 8183861, 11691230, 14029476, 16367722, 17536845, 23382460, 24551583, 32735444, 35073690, 40919305, 49103166, 70147380, 81838610, 98206332, 122757915, 163677220, 245515830, 491031660]

約数ペア:

[(1, 491031660), (2, 245515830), (3, 163677220), (4, 122757915), (5, 98206332), (6, 81838610), (7, 70147380), (10, 49103166), (12, 40919305), (14, 35073690), (15, 32735444), (20, 24551583), (21, 23382460), (28, 17536845), (30, 16367722), (35, 14029476), (42, 11691230), (60, 8183861), (70, 7014738), (84, 5845615), (105, 4676492), (140, 3507369), (210, 2338246), (420, 1169123), (907, 541380), (1289, 380940), (1814, 270690), (2578, 190470), (2721, 180460), (3628, 135345), (3867, 126980), (4535, 108276), (5156, 95235), (5442, 90230), (6349, 77340), (6445, 76188), (7734, 63490), (9023, 54420), (9070, 54138), (10884, 45115), (12698, 38670), (12890, 38094), (13605, 36092), (15468, 31745), (18046, 27210), (18140, 27069), (19047, 25780), (19335, 25396)]