56687360

素因数分解:

$2^8\times 5^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 138019056

約数和(自身を除く): 81331696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 67, 80, 128, 134, 160, 256, 268, 320, 335, 536, 640, 661, 670, 1072, 1280, 1322, 1340, 2144, 2644, 2680, 3305, 4288, 5288, 5360, 6610, 8576, 10576, 10720, 13220, 17152, 21152, 21440, 26440, 42304, 42880, 44287, 52880, 84608, 85760, 88574, 105760, 169216, 177148, 211520, 221435, 354296, 423040, 442870, 708592, 846080, 885740, 1417184, 1771480, 2834368, 3542960, 5668736, 7085920, 11337472, 14171840, 28343680, 56687360]

約数ペア:

[(1, 56687360), (2, 28343680), (4, 14171840), (5, 11337472), (8, 7085920), (10, 5668736), (16, 3542960), (20, 2834368), (32, 1771480), (40, 1417184), (64, 885740), (67, 846080), (80, 708592), (128, 442870), (134, 423040), (160, 354296), (256, 221435), (268, 211520), (320, 177148), (335, 169216), (536, 105760), (640, 88574), (661, 85760), (670, 84608), (1072, 52880), (1280, 44287), (1322, 42880), (1340, 42304), (2144, 26440), (2644, 21440), (2680, 21152), (3305, 17152), (4288, 13220), (5288, 10720), (5360, 10576), (6610, 8576)]