220176640

素因数分解:

$2^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4649}}^1$

素因数の和:4707

約数の個数: 72

約数和(自身を含む): 541762200

約数和(自身を除く): 321585560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 64, 74, 80, 128, 148, 160, 185, 256, 296, 320, 370, 592, 640, 740, 1184, 1280, 1480, 2368, 2960, 4649, 4736, 5920, 9298, 9472, 11840, 18596, 23245, 23680, 37192, 46490, 47360, 74384, 92980, 148768, 172013, 185960, 297536, 344026, 371920, 595072, 688052, 743840, 860065, 1190144, 1376104, 1487680, 1720130, 2752208, 2975360, 3440260, 5504416, 5950720, 6880520, 11008832, 13761040, 22017664, 27522080, 44035328, 55044160, 110088320, 220176640]

約数ペア:

[(1, 220176640), (2, 110088320), (4, 55044160), (5, 44035328), (8, 27522080), (10, 22017664), (16, 13761040), (20, 11008832), (32, 6880520), (37, 5950720), (40, 5504416), (64, 3440260), (74, 2975360), (80, 2752208), (128, 1720130), (148, 1487680), (160, 1376104), (185, 1190144), (256, 860065), (296, 743840), (320, 688052), (370, 595072), (592, 371920), (640, 344026), (740, 297536), (1184, 185960), (1280, 172013), (1480, 148768), (2368, 92980), (2960, 74384), (4649, 47360), (4736, 46490), (5920, 37192), (9298, 23680), (9472, 23245), (11840, 18596)]