128052760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{4099}}^1$

素因数の和:4192

約数の個数: 64

約数和(自身を含む): 318816000

約数和(自身を除く): 190763240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 2840, 3124, 3905, 4099, 6248, 7810, 8198, 15620, 16396, 20495, 31240, 32792, 40990, 45089, 81980, 90178, 163960, 180356, 225445, 291029, 360712, 450890, 582058, 901780, 1164116, 1455145, 1803560, 2328232, 2910290, 3201319, 5820580, 6402638, 11641160, 12805276, 16006595, 25610552, 32013190, 64026380, 128052760]

約数ペア:

[(1, 128052760), (2, 64026380), (4, 32013190), (5, 25610552), (8, 16006595), (10, 12805276), (11, 11641160), (20, 6402638), (22, 5820580), (40, 3201319), (44, 2910290), (55, 2328232), (71, 1803560), (88, 1455145), (110, 1164116), (142, 901780), (220, 582058), (284, 450890), (355, 360712), (440, 291029), (568, 225445), (710, 180356), (781, 163960), (1420, 90178), (1562, 81980), (2840, 45089), (3124, 40990), (3905, 32792), (4099, 31240), (6248, 20495), (7810, 16396), (8198, 15620)]