243984

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:64

約数の個数: 80

約数和(自身を含む): 749952

約数和(自身を除く): 505968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 23, 24, 26, 34, 39, 46, 48, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 184, 204, 208, 221, 272, 276, 299, 312, 368, 391, 408, 442, 552, 598, 624, 663, 782, 816, 884, 897, 1104, 1173, 1196, 1326, 1564, 1768, 1794, 2346, 2392, 2652, 3128, 3536, 3588, 4692, 4784, 5083, 5304, 6256, 7176, 9384, 10166, 10608, 14352, 15249, 18768, 20332, 30498, 40664, 60996, 81328, 121992, 243984]

約数ペア:

[(1, 243984), (2, 121992), (3, 81328), (4, 60996), (6, 40664), (8, 30498), (12, 20332), (13, 18768), (16, 15249), (17, 14352), (23, 10608), (24, 10166), (26, 9384), (34, 7176), (39, 6256), (46, 5304), (48, 5083), (51, 4784), (52, 4692), (68, 3588), (69, 3536), (78, 3128), (92, 2652), (102, 2392), (104, 2346), (136, 1794), (138, 1768), (156, 1564), (184, 1326), (204, 1196), (208, 1173), (221, 1104), (272, 897), (276, 884), (299, 816), (312, 782), (368, 663), (391, 624), (408, 598), (442, 552)]