31244280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 99809280

約数和(自身を除く): 68565000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 37, 40, 60, 62, 74, 93, 111, 120, 124, 148, 155, 185, 186, 222, 227, 248, 296, 310, 370, 372, 444, 454, 465, 555, 620, 681, 740, 744, 888, 908, 930, 1110, 1135, 1147, 1240, 1362, 1480, 1816, 1860, 2220, 2270, 2294, 2724, 3405, 3441, 3720, 4440, 4540, 4588, 5448, 5735, 6810, 6882, 7037, 8399, 9080, 9176, 11470, 13620, 13764, 14074, 16798, 17205, 21111, 22940, 25197, 27240, 27528, 28148, 33596, 34410, 35185, 41995, 42222, 45880, 50394, 56296, 67192, 68820, 70370, 83990, 84444, 100788, 105555, 125985, 137640, 140740, 167980, 168888, 201576, 211110, 251970, 260369, 281480, 335960, 422220, 503940, 520738, 781107, 844440, 1007880, 1041476, 1301845, 1562214, 2082952, 2603690, 3124428, 3905535, 5207380, 6248856, 7811070, 10414760, 15622140, 31244280]

約数ペア:

[(1, 31244280), (2, 15622140), (3, 10414760), (4, 7811070), (5, 6248856), (6, 5207380), (8, 3905535), (10, 3124428), (12, 2603690), (15, 2082952), (20, 1562214), (24, 1301845), (30, 1041476), (31, 1007880), (37, 844440), (40, 781107), (60, 520738), (62, 503940), (74, 422220), (93, 335960), (111, 281480), (120, 260369), (124, 251970), (148, 211110), (155, 201576), (185, 168888), (186, 167980), (222, 140740), (227, 137640), (248, 125985), (296, 105555), (310, 100788), (370, 84444), (372, 83990), (444, 70370), (454, 68820), (465, 67192), (555, 56296), (620, 50394), (681, 45880), (740, 42222), (744, 41995), (888, 35185), (908, 34410), (930, 33596), (1110, 28148), (1135, 27528), (1147, 27240), (1240, 25197), (1362, 22940), (1480, 21111), (1816, 17205), (1860, 16798), (2220, 14074), (2270, 13764), (2294, 13620), (2724, 11470), (3405, 9176), (3441, 9080), (3720, 8399), (4440, 7037), (4540, 6882), (4588, 6810), (5448, 5735)]