189495720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2221}}^1$

素因数の和:2320

約数の個数: 128

約数和(自身を含む): 639936000

約数和(自身を除く): 450440280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1080, 1185, 1422, 1580, 1896, 2133, 2221, 2370, 2844, 3160, 3555, 4266, 4442, 4740, 5688, 6663, 7110, 8532, 8884, 9480, 10665, 11105, 13326, 14220, 17064, 17768, 19989, 21330, 22210, 26652, 28440, 33315, 39978, 42660, 44420, 53304, 59967, 66630, 79956, 85320, 88840, 99945, 119934, 133260, 159912, 175459, 199890, 239868, 266520, 299835, 350918, 399780, 479736, 526377, 599670, 701836, 799560, 877295, 1052754, 1199340, 1403672, 1579131, 1754590, 2105508, 2398680, 2631885, 3158262, 3509180, 4211016, 4737393, 5263770, 6316524, 7018360, 7895655, 9474786, 10527540, 12633048, 15791310, 18949572, 21055080, 23686965, 31582620, 37899144, 47373930, 63165240, 94747860, 189495720]

約数ペア:

[(1, 189495720), (2, 94747860), (3, 63165240), (4, 47373930), (5, 37899144), (6, 31582620), (8, 23686965), (9, 21055080), (10, 18949572), (12, 15791310), (15, 12633048), (18, 10527540), (20, 9474786), (24, 7895655), (27, 7018360), (30, 6316524), (36, 5263770), (40, 4737393), (45, 4211016), (54, 3509180), (60, 3158262), (72, 2631885), (79, 2398680), (90, 2105508), (108, 1754590), (120, 1579131), (135, 1403672), (158, 1199340), (180, 1052754), (216, 877295), (237, 799560), (270, 701836), (316, 599670), (360, 526377), (395, 479736), (474, 399780), (540, 350918), (632, 299835), (711, 266520), (790, 239868), (948, 199890), (1080, 175459), (1185, 159912), (1422, 133260), (1580, 119934), (1896, 99945), (2133, 88840), (2221, 85320), (2370, 79956), (2844, 66630), (3160, 59967), (3555, 53304), (4266, 44420), (4442, 42660), (4740, 39978), (5688, 33315), (6663, 28440), (7110, 26652), (8532, 22210), (8884, 21330), (9480, 19989), (10665, 17768), (11105, 17064), (13326, 14220)]