646240320

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20399}}^1$

素因数の和:20433

約数の個数: 168

約数和(自身を含む): 2424988800

約数和(自身を除く): 1778748480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 396, 440, 480, 495, 528, 576, 660, 704, 720, 792, 880, 960, 990, 1056, 1320, 1440, 1584, 1760, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 5280, 6336, 7920, 10560, 15840, 20399, 31680, 40798, 61197, 81596, 101995, 122394, 163192, 183591, 203990, 224389, 244788, 305985, 326384, 367182, 407980, 448778, 489576, 611970, 652768, 673167, 734364, 815960, 897556, 917955, 979152, 1121945, 1223940, 1305536, 1346334, 1468728, 1631920, 1795112, 1835910, 1958304, 2019501, 2243890, 2447880, 2692668, 2937456, 3263840, 3365835, 3590224, 3671820, 3916608, 4039002, 4487780, 4895760, 5385336, 5874912, 6527680, 6731670, 7180448, 7343640, 8078004, 8975560, 9791520, 10097505, 10770672, 11749824, 13463340, 14360896, 14687280, 16156008, 17951120, 19583040, 20195010, 21541344, 26926680, 29374560, 32312016, 35902240, 40390020, 43082688, 53853360, 58749120, 64624032, 71804480, 80780040, 107706720, 129248064, 161560080, 215413440, 323120160, 646240320]

約数ペア:

[(1, 646240320), (2, 323120160), (3, 215413440), (4, 161560080), (5, 129248064), (6, 107706720), (8, 80780040), (9, 71804480), (10, 64624032), (11, 58749120), (12, 53853360), (15, 43082688), (16, 40390020), (18, 35902240), (20, 32312016), (22, 29374560), (24, 26926680), (30, 21541344), (32, 20195010), (33, 19583040), (36, 17951120), (40, 16156008), (44, 14687280), (45, 14360896), (48, 13463340), (55, 11749824), (60, 10770672), (64, 10097505), (66, 9791520), (72, 8975560), (80, 8078004), (88, 7343640), (90, 7180448), (96, 6731670), (99, 6527680), (110, 5874912), (120, 5385336), (132, 4895760), (144, 4487780), (160, 4039002), (165, 3916608), (176, 3671820), (180, 3590224), (192, 3365835), (198, 3263840), (220, 2937456), (240, 2692668), (264, 2447880), (288, 2243890), (320, 2019501), (330, 1958304), (352, 1835910), (360, 1795112), (396, 1631920), (440, 1468728), (480, 1346334), (495, 1305536), (528, 1223940), (576, 1121945), (660, 979152), (704, 917955), (720, 897556), (792, 815960), (880, 734364), (960, 673167), (990, 652768), (1056, 611970), (1320, 489576), (1440, 448778), (1584, 407980), (1760, 367182), (1980, 326384), (2112, 305985), (2640, 244788), (2880, 224389), (3168, 203990), (3520, 183591), (3960, 163192), (5280, 122394), (6336, 101995), (7920, 81596), (10560, 61197), (15840, 40798), (20399, 31680)]