31443840

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:181

約数の個数: 192

約数和(自身を含む): 111702240

約数和(自身を除く): 80258400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 64, 72, 80, 90, 96, 103, 106, 120, 128, 144, 159, 160, 180, 192, 206, 212, 240, 265, 288, 309, 318, 320, 360, 384, 412, 424, 477, 480, 515, 530, 576, 618, 636, 640, 720, 795, 824, 848, 927, 954, 960, 1030, 1060, 1152, 1236, 1272, 1440, 1545, 1590, 1648, 1696, 1854, 1908, 1920, 2060, 2120, 2385, 2472, 2544, 2880, 3090, 3180, 3296, 3392, 3708, 3816, 4120, 4240, 4635, 4770, 4944, 5088, 5459, 5760, 6180, 6360, 6592, 6784, 7416, 7632, 8240, 8480, 9270, 9540, 9888, 10176, 10918, 12360, 12720, 13184, 14832, 15264, 16377, 16480, 16960, 18540, 19080, 19776, 20352, 21836, 24720, 25440, 27295, 29664, 30528, 32754, 32960, 33920, 37080, 38160, 39552, 43672, 49131, 49440, 50880, 54590, 59328, 61056, 65508, 65920, 74160, 76320, 81885, 87344, 98262, 98880, 101760, 109180, 118656, 131016, 148320, 152640, 163770, 174688, 196524, 197760, 218360, 245655, 262032, 296640, 305280, 327540, 349376, 393048, 436720, 491310, 524064, 593280, 655080, 698752, 786096, 873440, 982620, 1048128, 1310160, 1572192, 1746880, 1965240, 2096256, 2620320, 3144384, 3493760, 3930480, 5240640, 6288768, 7860960, 10481280, 15721920, 31443840]

約数ペア:

[(1, 31443840), (2, 15721920), (3, 10481280), (4, 7860960), (5, 6288768), (6, 5240640), (8, 3930480), (9, 3493760), (10, 3144384), (12, 2620320), (15, 2096256), (16, 1965240), (18, 1746880), (20, 1572192), (24, 1310160), (30, 1048128), (32, 982620), (36, 873440), (40, 786096), (45, 698752), (48, 655080), (53, 593280), (60, 524064), (64, 491310), (72, 436720), (80, 393048), (90, 349376), (96, 327540), (103, 305280), (106, 296640), (120, 262032), (128, 245655), (144, 218360), (159, 197760), (160, 196524), (180, 174688), (192, 163770), (206, 152640), (212, 148320), (240, 131016), (265, 118656), (288, 109180), (309, 101760), (318, 98880), (320, 98262), (360, 87344), (384, 81885), (412, 76320), (424, 74160), (477, 65920), (480, 65508), (515, 61056), (530, 59328), (576, 54590), (618, 50880), (636, 49440), (640, 49131), (720, 43672), (795, 39552), (824, 38160), (848, 37080), (927, 33920), (954, 32960), (960, 32754), (1030, 30528), (1060, 29664), (1152, 27295), (1236, 25440), (1272, 24720), (1440, 21836), (1545, 20352), (1590, 19776), (1648, 19080), (1696, 18540), (1854, 16960), (1908, 16480), (1920, 16377), (2060, 15264), (2120, 14832), (2385, 13184), (2472, 12720), (2544, 12360), (2880, 10918), (3090, 10176), (3180, 9888), (3296, 9540), (3392, 9270), (3708, 8480), (3816, 8240), (4120, 7632), (4240, 7416), (4635, 6784), (4770, 6592), (4944, 6360), (5088, 6180), (5459, 5760)]