990729216

素因数分解:

$2^{10}\times 3^2\times {\mathrm{193}}^1\times {\mathrm{557}}^1$

素因数の和:776

約数の個数: 132

約数和(自身を含む): 2880693972

約数和(自身を除く): 1889964756

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 193, 256, 288, 384, 386, 512, 557, 576, 579, 768, 772, 1024, 1114, 1152, 1158, 1536, 1544, 1671, 1737, 2228, 2304, 2316, 3072, 3088, 3342, 3474, 4456, 4608, 4632, 5013, 6176, 6684, 6948, 8912, 9216, 9264, 10026, 12352, 13368, 13896, 17824, 18528, 20052, 24704, 26736, 27792, 35648, 37056, 40104, 49408, 53472, 55584, 71296, 74112, 80208, 98816, 106944, 107501, 111168, 142592, 148224, 160416, 197632, 213888, 215002, 222336, 285184, 296448, 320832, 322503, 427776, 430004, 444672, 570368, 592896, 641664, 645006, 855552, 860008, 889344, 967509, 1283328, 1290012, 1711104, 1720016, 1778688, 1935018, 2566656, 2580024, 3440032, 3870036, 5133312, 5160048, 6880064, 7740072, 10320096, 13760128, 15480144, 20640192, 27520256, 30960288, 41280384, 55040512, 61920576, 82560768, 110081024, 123841152, 165121536, 247682304, 330243072, 495364608, 990729216]

約数ペア:

[(1, 990729216), (2, 495364608), (3, 330243072), (4, 247682304), (6, 165121536), (8, 123841152), (9, 110081024), (12, 82560768), (16, 61920576), (18, 55040512), (24, 41280384), (32, 30960288), (36, 27520256), (48, 20640192), (64, 15480144), (72, 13760128), (96, 10320096), (128, 7740072), (144, 6880064), (192, 5160048), (193, 5133312), (256, 3870036), (288, 3440032), (384, 2580024), (386, 2566656), (512, 1935018), (557, 1778688), (576, 1720016), (579, 1711104), (768, 1290012), (772, 1283328), (1024, 967509), (1114, 889344), (1152, 860008), (1158, 855552), (1536, 645006), (1544, 641664), (1671, 592896), (1737, 570368), (2228, 444672), (2304, 430004), (2316, 427776), (3072, 322503), (3088, 320832), (3342, 296448), (3474, 285184), (4456, 222336), (4608, 215002), (4632, 213888), (5013, 197632), (6176, 160416), (6684, 148224), (6948, 142592), (8912, 111168), (9216, 107501), (9264, 106944), (10026, 98816), (12352, 80208), (13368, 74112), (13896, 71296), (17824, 55584), (18528, 53472), (20052, 49408), (24704, 40104), (26736, 37056), (27792, 35648)]