31679760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 113921280

約数和(自身を除く): 82241520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 109, 112, 120, 140, 168, 173, 210, 218, 240, 280, 327, 336, 346, 420, 436, 519, 545, 560, 654, 692, 763, 840, 865, 872, 1038, 1090, 1211, 1308, 1384, 1526, 1635, 1680, 1730, 1744, 2076, 2180, 2289, 2422, 2595, 2616, 2768, 3052, 3270, 3460, 3633, 3815, 4152, 4360, 4578, 4844, 5190, 5232, 6055, 6104, 6540, 6920, 7266, 7630, 8304, 8720, 9156, 9688, 10380, 11445, 12110, 12208, 13080, 13840, 14532, 15260, 18165, 18312, 18857, 19376, 20760, 22890, 24220, 26160, 29064, 30520, 36330, 36624, 37714, 41520, 45780, 48440, 56571, 58128, 61040, 72660, 75428, 91560, 94285, 96880, 113142, 131999, 145320, 150856, 183120, 188570, 226284, 263998, 282855, 290640, 301712, 377140, 395997, 452568, 527996, 565710, 659995, 754280, 791994, 905136, 1055992, 1131420, 1319990, 1508560, 1583988, 1979985, 2111984, 2262840, 2639980, 3167976, 3959970, 4525680, 5279960, 6335952, 7919940, 10559920, 15839880, 31679760]

約数ペア:

[(1, 31679760), (2, 15839880), (3, 10559920), (4, 7919940), (5, 6335952), (6, 5279960), (7, 4525680), (8, 3959970), (10, 3167976), (12, 2639980), (14, 2262840), (15, 2111984), (16, 1979985), (20, 1583988), (21, 1508560), (24, 1319990), (28, 1131420), (30, 1055992), (35, 905136), (40, 791994), (42, 754280), (48, 659995), (56, 565710), (60, 527996), (70, 452568), (80, 395997), (84, 377140), (105, 301712), (109, 290640), (112, 282855), (120, 263998), (140, 226284), (168, 188570), (173, 183120), (210, 150856), (218, 145320), (240, 131999), (280, 113142), (327, 96880), (336, 94285), (346, 91560), (420, 75428), (436, 72660), (519, 61040), (545, 58128), (560, 56571), (654, 48440), (692, 45780), (763, 41520), (840, 37714), (865, 36624), (872, 36330), (1038, 30520), (1090, 29064), (1211, 26160), (1308, 24220), (1384, 22890), (1526, 20760), (1635, 19376), (1680, 18857), (1730, 18312), (1744, 18165), (2076, 15260), (2180, 14532), (2289, 13840), (2422, 13080), (2595, 12208), (2616, 12110), (2768, 11445), (3052, 10380), (3270, 9688), (3460, 9156), (3633, 8720), (3815, 8304), (4152, 7630), (4360, 7266), (4578, 6920), (4844, 6540), (5190, 6104), (5232, 6055)]