80997720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29347}}^1$

素因数の和:29384

約数の個数: 64

約数和(自身を含む): 253566720

約数和(自身を除く): 172569000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 29347, 58694, 88041, 117388, 146735, 176082, 234776, 293470, 352164, 440205, 586940, 674981, 704328, 880410, 1173880, 1349962, 1760820, 2024943, 2699924, 3374905, 3521640, 4049886, 5399848, 6749810, 8099772, 10124715, 13499620, 16199544, 20249430, 26999240, 40498860, 80997720]

約数ペア:

[(1, 80997720), (2, 40498860), (3, 26999240), (4, 20249430), (5, 16199544), (6, 13499620), (8, 10124715), (10, 8099772), (12, 6749810), (15, 5399848), (20, 4049886), (23, 3521640), (24, 3374905), (30, 2699924), (40, 2024943), (46, 1760820), (60, 1349962), (69, 1173880), (92, 880410), (115, 704328), (120, 674981), (138, 586940), (184, 440205), (230, 352164), (276, 293470), (345, 234776), (460, 176082), (552, 146735), (690, 117388), (920, 88041), (1380, 58694), (2760, 29347)]