31180320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:447

約数の個数: 144

約数和(自身を含む): 108501120

約数和(自身を除く): 77320800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 59, 60, 72, 80, 90, 96, 118, 120, 144, 160, 177, 180, 236, 240, 288, 295, 354, 360, 367, 472, 480, 531, 590, 708, 720, 734, 885, 944, 1062, 1101, 1180, 1416, 1440, 1468, 1770, 1835, 1888, 2124, 2202, 2360, 2655, 2832, 2936, 3303, 3540, 3670, 4248, 4404, 4720, 5310, 5505, 5664, 5872, 6606, 7080, 7340, 8496, 8808, 9440, 10620, 11010, 11744, 13212, 14160, 14680, 16515, 16992, 17616, 21240, 21653, 22020, 26424, 28320, 29360, 33030, 35232, 42480, 43306, 44040, 52848, 58720, 64959, 66060, 84960, 86612, 88080, 105696, 108265, 129918, 132120, 173224, 176160, 194877, 216530, 259836, 264240, 324795, 346448, 389754, 433060, 519672, 528480, 649590, 692896, 779508, 866120, 974385, 1039344, 1299180, 1559016, 1732240, 1948770, 2078688, 2598360, 3118032, 3464480, 3897540, 5196720, 6236064, 7795080, 10393440, 15590160, 31180320]

約数ペア:

[(1, 31180320), (2, 15590160), (3, 10393440), (4, 7795080), (5, 6236064), (6, 5196720), (8, 3897540), (9, 3464480), (10, 3118032), (12, 2598360), (15, 2078688), (16, 1948770), (18, 1732240), (20, 1559016), (24, 1299180), (30, 1039344), (32, 974385), (36, 866120), (40, 779508), (45, 692896), (48, 649590), (59, 528480), (60, 519672), (72, 433060), (80, 389754), (90, 346448), (96, 324795), (118, 264240), (120, 259836), (144, 216530), (160, 194877), (177, 176160), (180, 173224), (236, 132120), (240, 129918), (288, 108265), (295, 105696), (354, 88080), (360, 86612), (367, 84960), (472, 66060), (480, 64959), (531, 58720), (590, 52848), (708, 44040), (720, 43306), (734, 42480), (885, 35232), (944, 33030), (1062, 29360), (1101, 28320), (1180, 26424), (1416, 22020), (1440, 21653), (1468, 21240), (1770, 17616), (1835, 16992), (1888, 16515), (2124, 14680), (2202, 14160), (2360, 13212), (2655, 11744), (2832, 11010), (2936, 10620), (3303, 9440), (3540, 8808), (3670, 8496), (4248, 7340), (4404, 7080), (4720, 6606), (5310, 5872), (5505, 5664)]