420383520

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:389

約数の個数: 240

約数和(自身を含む): 1500206400

約数和(自身を除く): 1079822880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 163, 180, 199, 216, 240, 270, 288, 324, 326, 360, 398, 405, 432, 480, 489, 540, 597, 648, 652, 720, 796, 810, 815, 864, 978, 995, 1080, 1194, 1296, 1304, 1440, 1467, 1592, 1620, 1630, 1791, 1956, 1990, 2160, 2388, 2445, 2592, 2608, 2934, 2985, 3184, 3240, 3260, 3582, 3912, 3980, 4320, 4401, 4776, 4890, 5216, 5373, 5868, 5970, 6368, 6480, 6520, 7164, 7335, 7824, 7960, 8802, 8955, 9552, 9780, 10746, 11736, 11940, 12960, 13040, 13203, 14328, 14670, 15648, 15920, 16119, 17604, 17910, 19104, 19560, 21492, 22005, 23472, 23880, 26080, 26406, 26865, 28656, 29340, 31840, 32238, 32437, 35208, 35820, 39120, 42984, 44010, 46944, 47760, 52812, 53730, 57312, 58680, 64476, 64874, 66015, 70416, 71640, 78240, 80595, 85968, 88020, 95520, 97311, 105624, 107460, 117360, 128952, 129748, 132030, 140832, 143280, 161190, 162185, 171936, 176040, 194622, 211248, 214920, 234720, 257904, 259496, 264060, 286560, 291933, 322380, 324370, 352080, 389244, 422496, 429840, 486555, 515808, 518992, 528120, 583866, 644760, 648740, 704160, 778488, 859680, 875799, 973110, 1037984, 1056240, 1167732, 1289520, 1297480, 1459665, 1556976, 1751598, 1946220, 2112480, 2335464, 2579040, 2594960, 2627397, 2919330, 3113952, 3503196, 3892440, 4378995, 4670928, 5189920, 5254794, 5838660, 7006392, 7784880, 8757990, 9341856, 10509588, 11677320, 13136985, 14012784, 15569760, 17515980, 21019176, 23354640, 26273970, 28025568, 35031960, 42038352, 46709280, 52547940, 70063920, 84076704, 105095880, 140127840, 210191760, 420383520]

約数ペア:

[(1, 420383520), (2, 210191760), (3, 140127840), (4, 105095880), (5, 84076704), (6, 70063920), (8, 52547940), (9, 46709280), (10, 42038352), (12, 35031960), (15, 28025568), (16, 26273970), (18, 23354640), (20, 21019176), (24, 17515980), (27, 15569760), (30, 14012784), (32, 13136985), (36, 11677320), (40, 10509588), (45, 9341856), (48, 8757990), (54, 7784880), (60, 7006392), (72, 5838660), (80, 5254794), (81, 5189920), (90, 4670928), (96, 4378995), (108, 3892440), (120, 3503196), (135, 3113952), (144, 2919330), (160, 2627397), (162, 2594960), (163, 2579040), (180, 2335464), (199, 2112480), (216, 1946220), (240, 1751598), (270, 1556976), (288, 1459665), (324, 1297480), (326, 1289520), (360, 1167732), (398, 1056240), (405, 1037984), (432, 973110), (480, 875799), (489, 859680), (540, 778488), (597, 704160), (648, 648740), (652, 644760), (720, 583866), (796, 528120), (810, 518992), (815, 515808), (864, 486555), (978, 429840), (995, 422496), (1080, 389244), (1194, 352080), (1296, 324370), (1304, 322380), (1440, 291933), (1467, 286560), (1592, 264060), (1620, 259496), (1630, 257904), (1791, 234720), (1956, 214920), (1990, 211248), (2160, 194622), (2388, 176040), (2445, 171936), (2592, 162185), (2608, 161190), (2934, 143280), (2985, 140832), (3184, 132030), (3240, 129748), (3260, 128952), (3582, 117360), (3912, 107460), (3980, 105624), (4320, 97311), (4401, 95520), (4776, 88020), (4890, 85968), (5216, 80595), (5373, 78240), (5868, 71640), (5970, 70416), (6368, 66015), (6480, 64874), (6520, 64476), (7164, 58680), (7335, 57312), (7824, 53730), (7960, 52812), (8802, 47760), (8955, 46944), (9552, 44010), (9780, 42984), (10746, 39120), (11736, 35820), (11940, 35208), (12960, 32437), (13040, 32238), (13203, 31840), (14328, 29340), (14670, 28656), (15648, 26865), (15920, 26406), (16119, 26080), (17604, 23880), (17910, 23472), (19104, 22005), (19560, 21492)]