12543740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 31256064

約数和(自身を除く): 18712324

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 37, 44, 46, 55, 67, 74, 92, 110, 115, 134, 148, 185, 220, 230, 253, 268, 335, 370, 407, 460, 506, 670, 737, 740, 814, 851, 1012, 1265, 1340, 1474, 1541, 1628, 1702, 2035, 2479, 2530, 2948, 3082, 3404, 3685, 4070, 4255, 4958, 5060, 6164, 7370, 7705, 8140, 8510, 9361, 9916, 12395, 14740, 15410, 16951, 17020, 18722, 24790, 27269, 30820, 33902, 37444, 46805, 49580, 54538, 57017, 67804, 84755, 93610, 109076, 114034, 136345, 169510, 187220, 228068, 272690, 285085, 339020, 545380, 570170, 627187, 1140340, 1254374, 2508748, 3135935, 6271870, 12543740]

約数ペア:

[(1, 12543740), (2, 6271870), (4, 3135935), (5, 2508748), (10, 1254374), (11, 1140340), (20, 627187), (22, 570170), (23, 545380), (37, 339020), (44, 285085), (46, 272690), (55, 228068), (67, 187220), (74, 169510), (92, 136345), (110, 114034), (115, 109076), (134, 93610), (148, 84755), (185, 67804), (220, 57017), (230, 54538), (253, 49580), (268, 46805), (335, 37444), (370, 33902), (407, 30820), (460, 27269), (506, 24790), (670, 18722), (737, 17020), (740, 16951), (814, 15410), (851, 14740), (1012, 12395), (1265, 9916), (1340, 9361), (1474, 8510), (1541, 8140), (1628, 7705), (1702, 7370), (2035, 6164), (2479, 5060), (2530, 4958), (2948, 4255), (3082, 4070), (3404, 3685)]