639653280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1499}}^1$

素因数の和:1651

約数の個数: 192

約数和(自身を含む): 2322432000

約数和(自身を除く): 1682778720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 127, 140, 160, 168, 210, 224, 240, 254, 280, 336, 381, 420, 480, 508, 560, 635, 672, 762, 840, 889, 1016, 1120, 1270, 1499, 1524, 1680, 1778, 1905, 2032, 2540, 2667, 2998, 3048, 3360, 3556, 3810, 4064, 4445, 4497, 5080, 5334, 5996, 6096, 7112, 7495, 7620, 8890, 8994, 10160, 10493, 10668, 11992, 12192, 13335, 14224, 14990, 15240, 17780, 17988, 20320, 20986, 21336, 22485, 23984, 26670, 28448, 29980, 30480, 31479, 35560, 35976, 41972, 42672, 44970, 47968, 52465, 53340, 59960, 60960, 62958, 71120, 71952, 83944, 85344, 89940, 104930, 106680, 119920, 125916, 142240, 143904, 157395, 167888, 179880, 190373, 209860, 213360, 239840, 251832, 314790, 335776, 359760, 380746, 419720, 426720, 503664, 571119, 629580, 719520, 761492, 839440, 951865, 1007328, 1142238, 1259160, 1332611, 1522984, 1678880, 1903730, 2284476, 2518320, 2665222, 2855595, 3045968, 3807460, 3997833, 4568952, 5036640, 5330444, 5711190, 6091936, 6663055, 7614920, 7995666, 9137904, 10660888, 11422380, 13326110, 15229840, 15991332, 18275808, 19989165, 21321776, 22844760, 26652220, 30459680, 31982664, 39978330, 42643552, 45689520, 53304440, 63965328, 79956660, 91379040, 106608880, 127930656, 159913320, 213217760, 319826640, 639653280]

約数ペア:

[(1, 639653280), (2, 319826640), (3, 213217760), (4, 159913320), (5, 127930656), (6, 106608880), (7, 91379040), (8, 79956660), (10, 63965328), (12, 53304440), (14, 45689520), (15, 42643552), (16, 39978330), (20, 31982664), (21, 30459680), (24, 26652220), (28, 22844760), (30, 21321776), (32, 19989165), (35, 18275808), (40, 15991332), (42, 15229840), (48, 13326110), (56, 11422380), (60, 10660888), (70, 9137904), (80, 7995666), (84, 7614920), (96, 6663055), (105, 6091936), (112, 5711190), (120, 5330444), (127, 5036640), (140, 4568952), (160, 3997833), (168, 3807460), (210, 3045968), (224, 2855595), (240, 2665222), (254, 2518320), (280, 2284476), (336, 1903730), (381, 1678880), (420, 1522984), (480, 1332611), (508, 1259160), (560, 1142238), (635, 1007328), (672, 951865), (762, 839440), (840, 761492), (889, 719520), (1016, 629580), (1120, 571119), (1270, 503664), (1499, 426720), (1524, 419720), (1680, 380746), (1778, 359760), (1905, 335776), (2032, 314790), (2540, 251832), (2667, 239840), (2998, 213360), (3048, 209860), (3360, 190373), (3556, 179880), (3810, 167888), (4064, 157395), (4445, 143904), (4497, 142240), (5080, 125916), (5334, 119920), (5996, 106680), (6096, 104930), (7112, 89940), (7495, 85344), (7620, 83944), (8890, 71952), (8994, 71120), (10160, 62958), (10493, 60960), (10668, 59960), (11992, 53340), (12192, 52465), (13335, 47968), (14224, 44970), (14990, 42672), (15240, 41972), (17780, 35976), (17988, 35560), (20320, 31479), (20986, 30480), (21336, 29980), (22485, 28448), (23984, 26670)]