1810071760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{829}}^1$

素因数の和:1413

約数の個数: 120

約数和(自身を含む): 4910210280

約数和(自身を除く): 3100138520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 557, 560, 784, 829, 980, 1114, 1658, 1960, 2228, 2785, 3316, 3899, 3920, 4145, 4456, 5570, 5803, 6632, 7798, 8290, 8912, 11140, 11606, 13264, 15596, 16580, 19495, 22280, 23212, 27293, 29015, 31192, 33160, 38990, 40621, 44560, 46424, 54586, 58030, 62384, 66320, 77980, 81242, 92848, 109172, 116060, 136465, 155960, 162484, 203105, 218344, 232120, 272930, 311920, 324968, 406210, 436688, 461753, 464240, 545860, 649936, 812420, 923506, 1091720, 1624840, 1847012, 2183440, 2308765, 3232271, 3249680, 3694024, 4617530, 6464542, 7388048, 9235060, 12929084, 16161355, 18470120, 22625897, 25858168, 32322710, 36940240, 45251794, 51716336, 64645420, 90503588, 113129485, 129290840, 181007176, 226258970, 258581680, 362014352, 452517940, 905035880, 1810071760]

約数ペア:

[(1, 1810071760), (2, 905035880), (4, 452517940), (5, 362014352), (7, 258581680), (8, 226258970), (10, 181007176), (14, 129290840), (16, 113129485), (20, 90503588), (28, 64645420), (35, 51716336), (40, 45251794), (49, 36940240), (56, 32322710), (70, 25858168), (80, 22625897), (98, 18470120), (112, 16161355), (140, 12929084), (196, 9235060), (245, 7388048), (280, 6464542), (392, 4617530), (490, 3694024), (557, 3249680), (560, 3232271), (784, 2308765), (829, 2183440), (980, 1847012), (1114, 1624840), (1658, 1091720), (1960, 923506), (2228, 812420), (2785, 649936), (3316, 545860), (3899, 464240), (3920, 461753), (4145, 436688), (4456, 406210), (5570, 324968), (5803, 311920), (6632, 272930), (7798, 232120), (8290, 218344), (8912, 203105), (11140, 162484), (11606, 155960), (13264, 136465), (15596, 116060), (16580, 109172), (19495, 92848), (22280, 81242), (23212, 77980), (27293, 66320), (29015, 62384), (31192, 58030), (33160, 54586), (38990, 46424), (40621, 44560)]