28723320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3469}}^1$

素因数の和:3509

約数の個数: 96

約数和(自身を含む): 97437600

約数和(自身を除く): 68714280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2760, 3469, 4140, 6938, 8280, 10407, 13876, 17345, 20814, 27752, 31221, 34690, 41628, 52035, 62442, 69380, 79787, 83256, 104070, 124884, 138760, 156105, 159574, 208140, 239361, 249768, 312210, 319148, 398935, 416280, 478722, 624420, 638296, 718083, 797870, 957444, 1196805, 1248840, 1436166, 1595740, 1914888, 2393610, 2872332, 3191480, 3590415, 4787220, 5744664, 7180830, 9574440, 14361660, 28723320]

約数ペア:

[(1, 28723320), (2, 14361660), (3, 9574440), (4, 7180830), (5, 5744664), (6, 4787220), (8, 3590415), (9, 3191480), (10, 2872332), (12, 2393610), (15, 1914888), (18, 1595740), (20, 1436166), (23, 1248840), (24, 1196805), (30, 957444), (36, 797870), (40, 718083), (45, 638296), (46, 624420), (60, 478722), (69, 416280), (72, 398935), (90, 319148), (92, 312210), (115, 249768), (120, 239361), (138, 208140), (180, 159574), (184, 156105), (207, 138760), (230, 124884), (276, 104070), (345, 83256), (360, 79787), (414, 69380), (460, 62442), (552, 52035), (690, 41628), (828, 34690), (920, 31221), (1035, 27752), (1380, 20814), (1656, 17345), (2070, 13876), (2760, 10407), (3469, 8280), (4140, 6938)]