664821495

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:206

約数の個数: 144

約数和(自身を含む): 1356600960

約数和(自身を除く): 691779465

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 43, 45, 57, 65, 95, 107, 117, 129, 169, 171, 195, 215, 247, 285, 321, 387, 507, 535, 559, 585, 645, 741, 817, 845, 855, 963, 1235, 1391, 1521, 1605, 1677, 1935, 2033, 2223, 2451, 2535, 2795, 3211, 3705, 4085, 4173, 4601, 4815, 5031, 6099, 6955, 7267, 7353, 7605, 8385, 9633, 10165, 10621, 11115, 12255, 12519, 13803, 16055, 18083, 18297, 20865, 21801, 23005, 25155, 26429, 28899, 30495, 31863, 36335, 36765, 41409, 48165, 53105, 54249, 59813, 62595, 65403, 69015, 79287, 87419, 90415, 91485, 95589, 109005, 132145, 138073, 144495, 159315, 162747, 179439, 207045, 237861, 262257, 271245, 299065, 327015, 343577, 396435, 414219, 437095, 477945, 538317, 690365, 777569, 786771, 813735, 897195, 1030731, 1136447, 1189305, 1242657, 1311285, 1717885, 2071095, 2332707, 2691585, 3092193, 3409341, 3887845, 3933855, 5153655, 5682235, 6213285, 6998121, 10228023, 11663535, 14773811, 15460965, 17046705, 34990605, 44321433, 51140115, 73869055, 132964299, 221607165, 664821495]

約数ペア:

[(1, 664821495), (3, 221607165), (5, 132964299), (9, 73869055), (13, 51140115), (15, 44321433), (19, 34990605), (39, 17046705), (43, 15460965), (45, 14773811), (57, 11663535), (65, 10228023), (95, 6998121), (107, 6213285), (117, 5682235), (129, 5153655), (169, 3933855), (171, 3887845), (195, 3409341), (215, 3092193), (247, 2691585), (285, 2332707), (321, 2071095), (387, 1717885), (507, 1311285), (535, 1242657), (559, 1189305), (585, 1136447), (645, 1030731), (741, 897195), (817, 813735), (845, 786771), (855, 777569), (963, 690365), (1235, 538317), (1391, 477945), (1521, 437095), (1605, 414219), (1677, 396435), (1935, 343577), (2033, 327015), (2223, 299065), (2451, 271245), (2535, 262257), (2795, 237861), (3211, 207045), (3705, 179439), (4085, 162747), (4173, 159315), (4601, 144495), (4815, 138073), (5031, 132145), (6099, 109005), (6955, 95589), (7267, 91485), (7353, 90415), (7605, 87419), (8385, 79287), (9633, 69015), (10165, 65403), (10621, 62595), (11115, 59813), (12255, 54249), (12519, 53105), (13803, 48165), (16055, 41409), (18083, 36765), (18297, 36335), (20865, 31863), (21801, 30495), (23005, 28899), (25155, 26429)]