1285505340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{3701}}^1$

素因数の和:4547

約数の個数: 96

約数和(自身を含む): 4119704064

約数和(自身を除く): 2834198724

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, 827, 1654, 2481, 3308, 3701, 4135, 4962, 5789, 7402, 8270, 9924, 11103, 11578, 12405, 14804, 16540, 17367, 18505, 22206, 23156, 24810, 25907, 28945, 34734, 37010, 44412, 49620, 51814, 55515, 57890, 69468, 74020, 77721, 86835, 103628, 111030, 115780, 129535, 155442, 173670, 222060, 259070, 310884, 347340, 388605, 518140, 777210, 1554420, 3060727, 6121454, 9182181, 12242908, 15303635, 18364362, 21425089, 30607270, 36728724, 42850178, 45910905, 61214540, 64275267, 85700356, 91821810, 107125445, 128550534, 183643620, 214250890, 257101068, 321376335, 428501780, 642752670, 1285505340]

約数ペア:

[(1, 1285505340), (2, 642752670), (3, 428501780), (4, 321376335), (5, 257101068), (6, 214250890), (7, 183643620), (10, 128550534), (12, 107125445), (14, 91821810), (15, 85700356), (20, 64275267), (21, 61214540), (28, 45910905), (30, 42850178), (35, 36728724), (42, 30607270), (60, 21425089), (70, 18364362), (84, 15303635), (105, 12242908), (140, 9182181), (210, 6121454), (420, 3060727), (827, 1554420), (1654, 777210), (2481, 518140), (3308, 388605), (3701, 347340), (4135, 310884), (4962, 259070), (5789, 222060), (7402, 173670), (8270, 155442), (9924, 129535), (11103, 115780), (11578, 111030), (12405, 103628), (14804, 86835), (16540, 77721), (17367, 74020), (18505, 69468), (22206, 57890), (23156, 55515), (24810, 51814), (25907, 49620), (28945, 44412), (34734, 37010)]