81655152

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1999}}^1$

素因数の和:2070

約数の個数: 80

約数和(自身を含む): 226176000

約数和(自身を除く): 144520848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 37, 46, 48, 69, 74, 92, 111, 138, 148, 184, 222, 276, 296, 368, 444, 552, 592, 851, 888, 1104, 1702, 1776, 1999, 2553, 3404, 3998, 5106, 5997, 6808, 7996, 10212, 11994, 13616, 15992, 20424, 23988, 31984, 40848, 45977, 47976, 73963, 91954, 95952, 137931, 147926, 183908, 221889, 275862, 295852, 367816, 443778, 551724, 591704, 735632, 887556, 1103448, 1183408, 1701149, 1775112, 2206896, 3402298, 3550224, 5103447, 6804596, 10206894, 13609192, 20413788, 27218384, 40827576, 81655152]

約数ペア:

[(1, 81655152), (2, 40827576), (3, 27218384), (4, 20413788), (6, 13609192), (8, 10206894), (12, 6804596), (16, 5103447), (23, 3550224), (24, 3402298), (37, 2206896), (46, 1775112), (48, 1701149), (69, 1183408), (74, 1103448), (92, 887556), (111, 735632), (138, 591704), (148, 551724), (184, 443778), (222, 367816), (276, 295852), (296, 275862), (368, 221889), (444, 183908), (552, 147926), (592, 137931), (851, 95952), (888, 91954), (1104, 73963), (1702, 47976), (1776, 45977), (1999, 40848), (2553, 31984), (3404, 23988), (3998, 20424), (5106, 15992), (5997, 13616), (6808, 11994), (7996, 10212)]