398221440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{433}}^1\times {\mathrm{479}}^1$

素因数の和:934

約数の個数: 128

約数和(自身を含む): 1274918400

約数和(自身を除く): 876696960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 433, 479, 480, 640, 866, 958, 960, 1299, 1437, 1732, 1916, 1920, 2165, 2395, 2598, 2874, 3464, 3832, 4330, 4790, 5196, 5748, 6495, 6928, 7185, 7664, 8660, 9580, 10392, 11496, 12990, 13856, 14370, 15328, 17320, 19160, 20784, 22992, 25980, 27712, 28740, 30656, 34640, 38320, 41568, 45984, 51960, 55424, 57480, 61312, 69280, 76640, 83136, 91968, 103920, 114960, 138560, 153280, 166272, 183936, 207407, 207840, 229920, 277120, 306560, 414814, 415680, 459840, 622221, 829628, 831360, 919680, 1037035, 1244442, 1659256, 2074070, 2488884, 3111105, 3318512, 4148140, 4977768, 6222210, 6637024, 8296280, 9955536, 12444420, 13274048, 16592560, 19911072, 24888840, 26548096, 33185120, 39822144, 49777680, 66370240, 79644288, 99555360, 132740480, 199110720, 398221440]

約数ペア:

[(1, 398221440), (2, 199110720), (3, 132740480), (4, 99555360), (5, 79644288), (6, 66370240), (8, 49777680), (10, 39822144), (12, 33185120), (15, 26548096), (16, 24888840), (20, 19911072), (24, 16592560), (30, 13274048), (32, 12444420), (40, 9955536), (48, 8296280), (60, 6637024), (64, 6222210), (80, 4977768), (96, 4148140), (120, 3318512), (128, 3111105), (160, 2488884), (192, 2074070), (240, 1659256), (320, 1244442), (384, 1037035), (433, 919680), (479, 831360), (480, 829628), (640, 622221), (866, 459840), (958, 415680), (960, 414814), (1299, 306560), (1437, 277120), (1732, 229920), (1916, 207840), (1920, 207407), (2165, 183936), (2395, 166272), (2598, 153280), (2874, 138560), (3464, 114960), (3832, 103920), (4330, 91968), (4790, 83136), (5196, 76640), (5748, 69280), (6495, 61312), (6928, 57480), (7185, 55424), (7664, 51960), (8660, 45984), (9580, 41568), (10392, 38320), (11496, 34640), (12990, 30656), (13856, 28740), (14370, 27712), (15328, 25980), (17320, 22992), (19160, 20784)]