31017120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{179}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 103692960

約数和(自身を除く): 72675840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 179, 190, 228, 240, 285, 304, 358, 361, 380, 456, 480, 537, 570, 608, 716, 722, 760, 895, 912, 1074, 1083, 1140, 1432, 1444, 1520, 1790, 1805, 1824, 2148, 2166, 2280, 2685, 2864, 2888, 3040, 3401, 3580, 3610, 4296, 4332, 4560, 5370, 5415, 5728, 5776, 6802, 7160, 7220, 8592, 8664, 9120, 10203, 10740, 10830, 11552, 13604, 14320, 14440, 17005, 17184, 17328, 20406, 21480, 21660, 27208, 28640, 28880, 34010, 34656, 40812, 42960, 43320, 51015, 54416, 57760, 64619, 68020, 81624, 85920, 86640, 102030, 108832, 129238, 136040, 163248, 173280, 193857, 204060, 258476, 272080, 323095, 326496, 387714, 408120, 516952, 544160, 646190, 775428, 816240, 969285, 1033904, 1292380, 1550856, 1632480, 1938570, 2067808, 2584760, 3101712, 3877140, 5169520, 6203424, 7754280, 10339040, 15508560, 31017120]

約数ペア:

[(1, 31017120), (2, 15508560), (3, 10339040), (4, 7754280), (5, 6203424), (6, 5169520), (8, 3877140), (10, 3101712), (12, 2584760), (15, 2067808), (16, 1938570), (19, 1632480), (20, 1550856), (24, 1292380), (30, 1033904), (32, 969285), (38, 816240), (40, 775428), (48, 646190), (57, 544160), (60, 516952), (76, 408120), (80, 387714), (95, 326496), (96, 323095), (114, 272080), (120, 258476), (152, 204060), (160, 193857), (179, 173280), (190, 163248), (228, 136040), (240, 129238), (285, 108832), (304, 102030), (358, 86640), (361, 85920), (380, 81624), (456, 68020), (480, 64619), (537, 57760), (570, 54416), (608, 51015), (716, 43320), (722, 42960), (760, 40812), (895, 34656), (912, 34010), (1074, 28880), (1083, 28640), (1140, 27208), (1432, 21660), (1444, 21480), (1520, 20406), (1790, 17328), (1805, 17184), (1824, 17005), (2148, 14440), (2166, 14320), (2280, 13604), (2685, 11552), (2864, 10830), (2888, 10740), (3040, 10203), (3401, 9120), (3580, 8664), (3610, 8592), (4296, 7220), (4332, 7160), (4560, 6802), (5370, 5776), (5415, 5728)]