71641920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{1523}}^1$

素因数の和:1557

約数の個数: 168

約数和(自身を含む): 264773664

約数和(自身を除く): 193131744

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, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 448, 480, 490, 560, 588, 672, 735, 784, 840, 960, 980, 1120, 1176, 1344, 1470, 1523, 1568, 1680, 1960, 2240, 2352, 2940, 3046, 3136, 3360, 3920, 4569, 4704, 5880, 6092, 6720, 7615, 7840, 9138, 9408, 10661, 11760, 12184, 15230, 15680, 18276, 21322, 22845, 23520, 24368, 30460, 31983, 36552, 42644, 45690, 47040, 48736, 53305, 60920, 63966, 73104, 74627, 85288, 91380, 97472, 106610, 121840, 127932, 146208, 149254, 159915, 170576, 182760, 213220, 223881, 243680, 255864, 292416, 298508, 319830, 341152, 365520, 373135, 426440, 447762, 487360, 511728, 597016, 639660, 682304, 731040, 746270, 852880, 895524, 1023456, 1119405, 1194032, 1279320, 1462080, 1492540, 1705760, 1791048, 2046912, 2238810, 2388064, 2558640, 2985080, 3411520, 3582096, 4477620, 4776128, 5117280, 5970160, 7164192, 8955240, 10234560, 11940320, 14328384, 17910480, 23880640, 35820960, 71641920]

約数ペア:

[(1, 71641920), (2, 35820960), (3, 23880640), (4, 17910480), (5, 14328384), (6, 11940320), (7, 10234560), (8, 8955240), (10, 7164192), (12, 5970160), (14, 5117280), (15, 4776128), (16, 4477620), (20, 3582096), (21, 3411520), (24, 2985080), (28, 2558640), (30, 2388064), (32, 2238810), (35, 2046912), (40, 1791048), (42, 1705760), (48, 1492540), (49, 1462080), (56, 1279320), (60, 1194032), (64, 1119405), (70, 1023456), (80, 895524), (84, 852880), (96, 746270), (98, 731040), (105, 682304), (112, 639660), (120, 597016), (140, 511728), (147, 487360), (160, 447762), (168, 426440), (192, 373135), (196, 365520), (210, 341152), (224, 319830), (240, 298508), (245, 292416), (280, 255864), (294, 243680), (320, 223881), (336, 213220), (392, 182760), (420, 170576), (448, 159915), (480, 149254), (490, 146208), (560, 127932), (588, 121840), (672, 106610), (735, 97472), (784, 91380), (840, 85288), (960, 74627), (980, 73104), (1120, 63966), (1176, 60920), (1344, 53305), (1470, 48736), (1523, 47040), (1568, 45690), (1680, 42644), (1960, 36552), (2240, 31983), (2352, 30460), (2940, 24368), (3046, 23520), (3136, 22845), (3360, 21322), (3920, 18276), (4569, 15680), (4704, 15230), (5880, 12184), (6092, 11760), (6720, 10661), (7615, 9408), (7840, 9138)]