618622720

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21013}}^1$

素因数の和:21057

約数の個数: 72

約数和(自身を含む): 1546294176

約数和(自身を除く): 927671456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 256, 320, 368, 460, 640, 736, 920, 1280, 1472, 1840, 2944, 3680, 5888, 7360, 14720, 21013, 29440, 42026, 84052, 105065, 168104, 210130, 336208, 420260, 483299, 672416, 840520, 966598, 1344832, 1681040, 1933196, 2416495, 2689664, 3362080, 3866392, 4832990, 5379328, 6724160, 7732784, 9665980, 13448320, 15465568, 19331960, 26896640, 30931136, 38663920, 61862272, 77327840, 123724544, 154655680, 309311360, 618622720]

約数ペア:

[(1, 618622720), (2, 309311360), (4, 154655680), (5, 123724544), (8, 77327840), (10, 61862272), (16, 38663920), (20, 30931136), (23, 26896640), (32, 19331960), (40, 15465568), (46, 13448320), (64, 9665980), (80, 7732784), (92, 6724160), (115, 5379328), (128, 4832990), (160, 3866392), (184, 3362080), (230, 2689664), (256, 2416495), (320, 1933196), (368, 1681040), (460, 1344832), (640, 966598), (736, 840520), (920, 672416), (1280, 483299), (1472, 420260), (1840, 336208), (2944, 210130), (3680, 168104), (5888, 105065), (7360, 84052), (14720, 42026), (21013, 29440)]