812448560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131891}}^1$

素因数の和:131922

約数の個数: 80

約数和(自身を含む): 2355063552

約数和(自身を除く): 1542614992

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 131891, 263782, 527564, 659455, 923237, 1055128, 1318910, 1450801, 1846474, 2110256, 2637820, 2901602, 3692948, 4616185, 5275640, 5803204, 7254005, 7385896, 9232370, 10155607, 10551280, 11606408, 14508010, 14771792, 18464740, 20311214, 23212816, 29016020, 36929480, 40622428, 50778035, 58032040, 73858960, 81244856, 101556070, 116064080, 162489712, 203112140, 406224280, 812448560]

約数ペア:

[(1, 812448560), (2, 406224280), (4, 203112140), (5, 162489712), (7, 116064080), (8, 101556070), (10, 81244856), (11, 73858960), (14, 58032040), (16, 50778035), (20, 40622428), (22, 36929480), (28, 29016020), (35, 23212816), (40, 20311214), (44, 18464740), (55, 14771792), (56, 14508010), (70, 11606408), (77, 10551280), (80, 10155607), (88, 9232370), (110, 7385896), (112, 7254005), (140, 5803204), (154, 5275640), (176, 4616185), (220, 3692948), (280, 2901602), (308, 2637820), (385, 2110256), (440, 1846474), (560, 1450801), (616, 1318910), (770, 1055128), (880, 923237), (1232, 659455), (1540, 527564), (3080, 263782), (6160, 131891)]