31194240

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1$

素因数の和:251

約数の個数: 256

約数和(自身を含む): 124554240

約数和(自身を除く): 93360000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 128, 132, 140, 154, 160, 165, 168, 176, 192, 210, 211, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 384, 385, 420, 422, 440, 448, 462, 480, 528, 560, 616, 633, 640, 660, 672, 704, 770, 840, 844, 880, 896, 924, 960, 1055, 1056, 1120, 1155, 1232, 1266, 1320, 1344, 1408, 1477, 1540, 1680, 1688, 1760, 1848, 1920, 2110, 2112, 2240, 2310, 2321, 2464, 2532, 2640, 2688, 2954, 3080, 3165, 3360, 3376, 3520, 3696, 4220, 4224, 4431, 4480, 4620, 4642, 4928, 5064, 5280, 5908, 6160, 6330, 6720, 6752, 6963, 7040, 7385, 7392, 8440, 8862, 9240, 9284, 9856, 10128, 10560, 11605, 11816, 12320, 12660, 13440, 13504, 13926, 14770, 14784, 16247, 16880, 17724, 18480, 18568, 20256, 21120, 22155, 23210, 23632, 24640, 25320, 27008, 27852, 29540, 29568, 32494, 33760, 34815, 35448, 36960, 37136, 40512, 44310, 46420, 47264, 48741, 49280, 50640, 55704, 59080, 64988, 67520, 69630, 70896, 73920, 74272, 81024, 81235, 88620, 92840, 94528, 97482, 101280, 111408, 118160, 129976, 135040, 139260, 141792, 147840, 148544, 162470, 177240, 185680, 189056, 194964, 202560, 222816, 236320, 243705, 259952, 278520, 283584, 297088, 324940, 354480, 371360, 389928, 405120, 445632, 472640, 487410, 519904, 557040, 567168, 649880, 708960, 742720, 779856, 891264, 945280, 974820, 1039808, 1114080, 1299760, 1417920, 1485440, 1559712, 1949640, 2079616, 2228160, 2599520, 2835840, 3119424, 3899280, 4456320, 5199040, 6238848, 7798560, 10398080, 15597120, 31194240]

約数ペア:

[(1, 31194240), (2, 15597120), (3, 10398080), (4, 7798560), (5, 6238848), (6, 5199040), (7, 4456320), (8, 3899280), (10, 3119424), (11, 2835840), (12, 2599520), (14, 2228160), (15, 2079616), (16, 1949640), (20, 1559712), (21, 1485440), (22, 1417920), (24, 1299760), (28, 1114080), (30, 1039808), (32, 974820), (33, 945280), (35, 891264), (40, 779856), (42, 742720), (44, 708960), (48, 649880), (55, 567168), (56, 557040), (60, 519904), (64, 487410), (66, 472640), (70, 445632), (77, 405120), (80, 389928), (84, 371360), (88, 354480), (96, 324940), (105, 297088), (110, 283584), (112, 278520), (120, 259952), (128, 243705), (132, 236320), (140, 222816), (154, 202560), (160, 194964), (165, 189056), (168, 185680), (176, 177240), (192, 162470), (210, 148544), (211, 147840), (220, 141792), (224, 139260), (231, 135040), (240, 129976), (264, 118160), (280, 111408), (308, 101280), (320, 97482), (330, 94528), (336, 92840), (352, 88620), (384, 81235), (385, 81024), (420, 74272), (422, 73920), (440, 70896), (448, 69630), (462, 67520), (480, 64988), (528, 59080), (560, 55704), (616, 50640), (633, 49280), (640, 48741), (660, 47264), (672, 46420), (704, 44310), (770, 40512), (840, 37136), (844, 36960), (880, 35448), (896, 34815), (924, 33760), (960, 32494), (1055, 29568), (1056, 29540), (1120, 27852), (1155, 27008), (1232, 25320), (1266, 24640), (1320, 23632), (1344, 23210), (1408, 22155), (1477, 21120), (1540, 20256), (1680, 18568), (1688, 18480), (1760, 17724), (1848, 16880), (1920, 16247), (2110, 14784), (2112, 14770), (2240, 13926), (2310, 13504), (2321, 13440), (2464, 12660), (2532, 12320), (2640, 11816), (2688, 11605), (2954, 10560), (3080, 10128), (3165, 9856), (3360, 9284), (3376, 9240), (3520, 8862), (3696, 8440), (4220, 7392), (4224, 7385), (4431, 7040), (4480, 6963), (4620, 6752), (4642, 6720), (4928, 6330), (5064, 6160), (5280, 5908)]