255442720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{967}}^1$

素因数の和:1122

約数の個数: 96

約数和(自身を含む): 655699968

約数和(自身を除く): 400257248

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 127, 130, 160, 208, 254, 260, 416, 508, 520, 635, 967, 1016, 1040, 1270, 1651, 1934, 2032, 2080, 2540, 3302, 3868, 4064, 4835, 5080, 6604, 7736, 8255, 9670, 10160, 12571, 13208, 15472, 16510, 19340, 20320, 25142, 26416, 30944, 33020, 38680, 50284, 52832, 62855, 66040, 77360, 100568, 122809, 125710, 132080, 154720, 201136, 245618, 251420, 264160, 402272, 491236, 502840, 614045, 982472, 1005680, 1228090, 1596517, 1964944, 2011360, 2456180, 3193034, 3929888, 4912360, 6386068, 7982585, 9824720, 12772136, 15965170, 19649440, 25544272, 31930340, 51088544, 63860680, 127721360, 255442720]

約数ペア:

[(1, 255442720), (2, 127721360), (4, 63860680), (5, 51088544), (8, 31930340), (10, 25544272), (13, 19649440), (16, 15965170), (20, 12772136), (26, 9824720), (32, 7982585), (40, 6386068), (52, 4912360), (65, 3929888), (80, 3193034), (104, 2456180), (127, 2011360), (130, 1964944), (160, 1596517), (208, 1228090), (254, 1005680), (260, 982472), (416, 614045), (508, 502840), (520, 491236), (635, 402272), (967, 264160), (1016, 251420), (1040, 245618), (1270, 201136), (1651, 154720), (1934, 132080), (2032, 125710), (2080, 122809), (2540, 100568), (3302, 77360), (3868, 66040), (4064, 62855), (4835, 52832), (5080, 50284), (6604, 38680), (7736, 33020), (8255, 30944), (9670, 26416), (10160, 25142), (12571, 20320), (13208, 19340), (15472, 16510)]