31021440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:280

約数の個数: 128

約数和(自身を含む): 100465920

約数和(自身を除く): 69444480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 151, 160, 192, 214, 240, 302, 320, 321, 384, 428, 453, 480, 535, 604, 640, 642, 755, 856, 906, 960, 1070, 1208, 1284, 1510, 1605, 1712, 1812, 1920, 2140, 2265, 2416, 2568, 3020, 3210, 3424, 3624, 4280, 4530, 4832, 5136, 6040, 6420, 6848, 7248, 8560, 9060, 9664, 10272, 12080, 12840, 13696, 14496, 16157, 17120, 18120, 19328, 20544, 24160, 25680, 28992, 32314, 34240, 36240, 41088, 48320, 48471, 51360, 57984, 64628, 68480, 72480, 80785, 96640, 96942, 102720, 129256, 144960, 161570, 193884, 205440, 242355, 258512, 289920, 323140, 387768, 484710, 517024, 646280, 775536, 969420, 1034048, 1292560, 1551072, 1938840, 2068096, 2585120, 3102144, 3877680, 5170240, 6204288, 7755360, 10340480, 15510720, 31021440]

約数ペア:

[(1, 31021440), (2, 15510720), (3, 10340480), (4, 7755360), (5, 6204288), (6, 5170240), (8, 3877680), (10, 3102144), (12, 2585120), (15, 2068096), (16, 1938840), (20, 1551072), (24, 1292560), (30, 1034048), (32, 969420), (40, 775536), (48, 646280), (60, 517024), (64, 484710), (80, 387768), (96, 323140), (107, 289920), (120, 258512), (128, 242355), (151, 205440), (160, 193884), (192, 161570), (214, 144960), (240, 129256), (302, 102720), (320, 96942), (321, 96640), (384, 80785), (428, 72480), (453, 68480), (480, 64628), (535, 57984), (604, 51360), (640, 48471), (642, 48320), (755, 41088), (856, 36240), (906, 34240), (960, 32314), (1070, 28992), (1208, 25680), (1284, 24160), (1510, 20544), (1605, 19328), (1712, 18120), (1812, 17120), (1920, 16157), (2140, 14496), (2265, 13696), (2416, 12840), (2568, 12080), (3020, 10272), (3210, 9664), (3424, 9060), (3624, 8560), (4280, 7248), (4530, 6848), (4832, 6420), (5136, 6040)]