311220840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7951

約数の個数: 128

約数和(自身を含む): 1089884160

約数和(自身を除く): 778663320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 2632, 2820, 3290, 3948, 4935, 5640, 6580, 7883, 7896, 9870, 13160, 15766, 19740, 23649, 31532, 39415, 39480, 47298, 55181, 63064, 78830, 94596, 110362, 118245, 157660, 165543, 189192, 220724, 236490, 275905, 315320, 331086, 370501, 441448, 472980, 551810, 662172, 741002, 827715, 945960, 1103620, 1111503, 1324344, 1482004, 1655430, 1852505, 2207240, 2223006, 2593507, 2964008, 3310860, 3705010, 4446012, 5187014, 5557515, 6621720, 7410020, 7780521, 8892024, 10374028, 11115030, 12967535, 14820040, 15561042, 20748056, 22230060, 25935070, 31122084, 38902605, 44460120, 51870140, 62244168, 77805210, 103740280, 155610420, 311220840]

約数ペア:

[(1, 311220840), (2, 155610420), (3, 103740280), (4, 77805210), (5, 62244168), (6, 51870140), (7, 44460120), (8, 38902605), (10, 31122084), (12, 25935070), (14, 22230060), (15, 20748056), (20, 15561042), (21, 14820040), (24, 12967535), (28, 11115030), (30, 10374028), (35, 8892024), (40, 7780521), (42, 7410020), (47, 6621720), (56, 5557515), (60, 5187014), (70, 4446012), (84, 3705010), (94, 3310860), (105, 2964008), (120, 2593507), (140, 2223006), (141, 2207240), (168, 1852505), (188, 1655430), (210, 1482004), (235, 1324344), (280, 1111503), (282, 1103620), (329, 945960), (376, 827715), (420, 741002), (470, 662172), (564, 551810), (658, 472980), (705, 441448), (840, 370501), (940, 331086), (987, 315320), (1128, 275905), (1316, 236490), (1410, 220724), (1645, 189192), (1880, 165543), (1974, 157660), (2632, 118245), (2820, 110362), (3290, 94596), (3948, 78830), (4935, 63064), (5640, 55181), (6580, 47298), (7883, 39480), (7896, 39415), (9870, 31532), (13160, 23649), (15766, 19740)]