1808046520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{9769}}^1$

素因数の和:10448

約数の個数: 64

約数和(自身を含む): 4656772800

約数和(自身を除く): 2848726280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 661, 1322, 2644, 3305, 4627, 5288, 6610, 9254, 9769, 13220, 18508, 19538, 23135, 26440, 37016, 39076, 46270, 48845, 68383, 78152, 92540, 97690, 136766, 185080, 195380, 273532, 341915, 390760, 547064, 683830, 1367660, 2735320, 6457309, 12914618, 25829236, 32286545, 45201163, 51658472, 64573090, 90402326, 129146180, 180804652, 226005815, 258292360, 361609304, 452011630, 904023260, 1808046520]

約数ペア:

[(1, 1808046520), (2, 904023260), (4, 452011630), (5, 361609304), (7, 258292360), (8, 226005815), (10, 180804652), (14, 129146180), (20, 90402326), (28, 64573090), (35, 51658472), (40, 45201163), (56, 32286545), (70, 25829236), (140, 12914618), (280, 6457309), (661, 2735320), (1322, 1367660), (2644, 683830), (3305, 547064), (4627, 390760), (5288, 341915), (6610, 273532), (9254, 195380), (9769, 185080), (13220, 136766), (18508, 97690), (19538, 92540), (23135, 78152), (26440, 68383), (37016, 48845), (39076, 46270)]