31199040

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:206

約数の個数: 224

約数和(自身を含む): 115580160

約数和(自身を除く): 84381120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 32, 36, 40, 45, 46, 48, 54, 60, 64, 69, 72, 80, 90, 92, 96, 108, 115, 120, 135, 138, 144, 157, 160, 180, 184, 192, 207, 216, 230, 240, 270, 276, 288, 314, 320, 345, 360, 368, 414, 432, 460, 471, 480, 540, 552, 576, 621, 628, 690, 720, 736, 785, 828, 864, 920, 942, 960, 1035, 1080, 1104, 1242, 1256, 1380, 1413, 1440, 1472, 1570, 1656, 1728, 1840, 1884, 2070, 2160, 2208, 2355, 2484, 2512, 2760, 2826, 2880, 3105, 3140, 3312, 3611, 3680, 3768, 4140, 4239, 4320, 4416, 4710, 4968, 5024, 5520, 5652, 6210, 6280, 6624, 7065, 7222, 7360, 7536, 8280, 8478, 8640, 9420, 9936, 10048, 10833, 11040, 11304, 12420, 12560, 13248, 14130, 14444, 15072, 16560, 16956, 18055, 18840, 19872, 21195, 21666, 22080, 22608, 24840, 25120, 28260, 28888, 30144, 32499, 33120, 33912, 36110, 37680, 39744, 42390, 43332, 45216, 49680, 50240, 54165, 56520, 57776, 64998, 66240, 67824, 72220, 75360, 84780, 86664, 90432, 97497, 99360, 108330, 113040, 115552, 129996, 135648, 144440, 150720, 162495, 169560, 173328, 194994, 198720, 216660, 226080, 231104, 259992, 271296, 288880, 324990, 339120, 346656, 389988, 433320, 452160, 487485, 519984, 577760, 649980, 678240, 693312, 779976, 866640, 974970, 1039968, 1155520, 1299960, 1356480, 1559952, 1733280, 1949940, 2079936, 2599920, 3119904, 3466560, 3899880, 5199840, 6239808, 7799760, 10399680, 15599520, 31199040]

約数ペア:

[(1, 31199040), (2, 15599520), (3, 10399680), (4, 7799760), (5, 6239808), (6, 5199840), (8, 3899880), (9, 3466560), (10, 3119904), (12, 2599920), (15, 2079936), (16, 1949940), (18, 1733280), (20, 1559952), (23, 1356480), (24, 1299960), (27, 1155520), (30, 1039968), (32, 974970), (36, 866640), (40, 779976), (45, 693312), (46, 678240), (48, 649980), (54, 577760), (60, 519984), (64, 487485), (69, 452160), (72, 433320), (80, 389988), (90, 346656), (92, 339120), (96, 324990), (108, 288880), (115, 271296), (120, 259992), (135, 231104), (138, 226080), (144, 216660), (157, 198720), (160, 194994), (180, 173328), (184, 169560), (192, 162495), (207, 150720), (216, 144440), (230, 135648), (240, 129996), (270, 115552), (276, 113040), (288, 108330), (314, 99360), (320, 97497), (345, 90432), (360, 86664), (368, 84780), (414, 75360), (432, 72220), (460, 67824), (471, 66240), (480, 64998), (540, 57776), (552, 56520), (576, 54165), (621, 50240), (628, 49680), (690, 45216), (720, 43332), (736, 42390), (785, 39744), (828, 37680), (864, 36110), (920, 33912), (942, 33120), (960, 32499), (1035, 30144), (1080, 28888), (1104, 28260), (1242, 25120), (1256, 24840), (1380, 22608), (1413, 22080), (1440, 21666), (1472, 21195), (1570, 19872), (1656, 18840), (1728, 18055), (1840, 16956), (1884, 16560), (2070, 15072), (2160, 14444), (2208, 14130), (2355, 13248), (2484, 12560), (2512, 12420), (2760, 11304), (2826, 11040), (2880, 10833), (3105, 10048), (3140, 9936), (3312, 9420), (3611, 8640), (3680, 8478), (3768, 8280), (4140, 7536), (4239, 7360), (4320, 7222), (4416, 7065), (4710, 6624), (4968, 6280), (5024, 6210), (5520, 5652)]