127996840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^3\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 64

約数和(自身を含む): 302227200

約数和(自身を除く): 174230360

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 263, 460, 526, 529, 920, 1052, 1058, 1315, 2104, 2116, 2630, 2645, 4232, 5260, 5290, 6049, 10520, 10580, 12098, 12167, 21160, 24196, 24334, 30245, 48392, 48668, 60490, 60835, 97336, 120980, 121670, 139127, 241960, 243340, 278254, 486680, 556508, 695635, 1113016, 1391270, 2782540, 3199921, 5565080, 6399842, 12799684, 15999605, 25599368, 31999210, 63998420, 127996840]

約数ペア:

[(1, 127996840), (2, 63998420), (4, 31999210), (5, 25599368), (8, 15999605), (10, 12799684), (20, 6399842), (23, 5565080), (40, 3199921), (46, 2782540), (92, 1391270), (115, 1113016), (184, 695635), (230, 556508), (263, 486680), (460, 278254), (526, 243340), (529, 241960), (920, 139127), (1052, 121670), (1058, 120980), (1315, 97336), (2104, 60835), (2116, 60490), (2630, 48668), (2645, 48392), (4232, 30245), (5260, 24334), (5290, 24196), (6049, 21160), (10520, 12167), (10580, 12098)]