31995040

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:100

約数の個数: 192

約数和(自身を含む): 97977600

約数和(自身を除く): 65982560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 53, 55, 56, 70, 77, 80, 88, 98, 106, 110, 112, 140, 154, 160, 176, 196, 212, 220, 224, 245, 265, 280, 308, 343, 352, 371, 385, 392, 424, 440, 490, 530, 539, 560, 583, 616, 686, 742, 770, 784, 848, 880, 980, 1060, 1078, 1120, 1166, 1232, 1372, 1484, 1540, 1568, 1696, 1715, 1760, 1855, 1960, 2120, 2156, 2332, 2464, 2597, 2695, 2744, 2915, 2968, 3080, 3430, 3710, 3773, 3920, 4081, 4240, 4312, 4664, 5194, 5390, 5488, 5830, 5936, 6160, 6860, 7420, 7546, 7840, 8162, 8480, 8624, 9328, 10388, 10780, 10976, 11660, 11872, 12320, 12985, 13720, 14840, 15092, 16324, 17248, 18179, 18656, 18865, 20405, 20776, 21560, 23320, 25970, 27440, 28567, 29680, 30184, 32648, 36358, 37730, 40810, 41552, 43120, 46640, 51940, 54880, 57134, 59360, 60368, 65296, 72716, 75460, 81620, 83104, 86240, 90895, 93280, 103880, 114268, 120736, 130592, 142835, 145432, 150920, 163240, 181790, 199969, 207760, 228536, 285670, 290864, 301840, 326480, 363580, 399938, 415520, 457072, 571340, 581728, 603680, 652960, 727160, 799876, 914144, 999845, 1142680, 1454320, 1599752, 1999690, 2285360, 2908640, 3199504, 3999380, 4570720, 6399008, 7998760, 15997520, 31995040]

約数ペア:

[(1, 31995040), (2, 15997520), (4, 7998760), (5, 6399008), (7, 4570720), (8, 3999380), (10, 3199504), (11, 2908640), (14, 2285360), (16, 1999690), (20, 1599752), (22, 1454320), (28, 1142680), (32, 999845), (35, 914144), (40, 799876), (44, 727160), (49, 652960), (53, 603680), (55, 581728), (56, 571340), (70, 457072), (77, 415520), (80, 399938), (88, 363580), (98, 326480), (106, 301840), (110, 290864), (112, 285670), (140, 228536), (154, 207760), (160, 199969), (176, 181790), (196, 163240), (212, 150920), (220, 145432), (224, 142835), (245, 130592), (265, 120736), (280, 114268), (308, 103880), (343, 93280), (352, 90895), (371, 86240), (385, 83104), (392, 81620), (424, 75460), (440, 72716), (490, 65296), (530, 60368), (539, 59360), (560, 57134), (583, 54880), (616, 51940), (686, 46640), (742, 43120), (770, 41552), (784, 40810), (848, 37730), (880, 36358), (980, 32648), (1060, 30184), (1078, 29680), (1120, 28567), (1166, 27440), (1232, 25970), (1372, 23320), (1484, 21560), (1540, 20776), (1568, 20405), (1696, 18865), (1715, 18656), (1760, 18179), (1855, 17248), (1960, 16324), (2120, 15092), (2156, 14840), (2332, 13720), (2464, 12985), (2597, 12320), (2695, 11872), (2744, 11660), (2915, 10976), (2968, 10780), (3080, 10388), (3430, 9328), (3710, 8624), (3773, 8480), (3920, 8162), (4081, 7840), (4240, 7546), (4312, 7420), (4664, 6860), (5194, 6160), (5390, 5936), (5488, 5830)]