218645120

素因数分解:

$2^7\times 5^1\times {\mathrm{67}}^1\times {\mathrm{5099}}^1$

素因数の和:5185

約数の個数: 64

約数和(自身を含む): 530604000

約数和(自身を除く): 311958880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 268, 320, 335, 536, 640, 670, 1072, 1340, 2144, 2680, 4288, 5099, 5360, 8576, 10198, 10720, 20396, 21440, 25495, 40792, 42880, 50990, 81584, 101980, 163168, 203960, 326336, 341633, 407920, 652672, 683266, 815840, 1366532, 1631680, 1708165, 2733064, 3263360, 3416330, 5466128, 6832660, 10932256, 13665320, 21864512, 27330640, 43729024, 54661280, 109322560, 218645120]

約数ペア:

[(1, 218645120), (2, 109322560), (4, 54661280), (5, 43729024), (8, 27330640), (10, 21864512), (16, 13665320), (20, 10932256), (32, 6832660), (40, 5466128), (64, 3416330), (67, 3263360), (80, 2733064), (128, 1708165), (134, 1631680), (160, 1366532), (268, 815840), (320, 683266), (335, 652672), (536, 407920), (640, 341633), (670, 326336), (1072, 203960), (1340, 163168), (2144, 101980), (2680, 81584), (4288, 50990), (5099, 42880), (5360, 40792), (8576, 25495), (10198, 21440), (10720, 20396)]