1399680

素因数分解:

$2^7\times 3^7\times 5^1$

素因数の和:40

約数の個数: 128

約数和(自身を含む): 5018400

約数和(自身を除く): 3618720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 384, 405, 432, 480, 486, 540, 576, 640, 648, 720, 729, 810, 864, 960, 972, 1080, 1152, 1215, 1296, 1440, 1458, 1620, 1728, 1920, 1944, 2160, 2187, 2430, 2592, 2880, 2916, 3240, 3456, 3645, 3888, 4320, 4374, 4860, 5184, 5760, 5832, 6480, 7290, 7776, 8640, 8748, 9720, 10368, 10935, 11664, 12960, 14580, 15552, 17280, 17496, 19440, 21870, 23328, 25920, 29160, 31104, 34992, 38880, 43740, 46656, 51840, 58320, 69984, 77760, 87480, 93312, 116640, 139968, 155520, 174960, 233280, 279936, 349920, 466560, 699840, 1399680]

約数ペア:

[(1, 1399680), (2, 699840), (3, 466560), (4, 349920), (5, 279936), (6, 233280), (8, 174960), (9, 155520), (10, 139968), (12, 116640), (15, 93312), (16, 87480), (18, 77760), (20, 69984), (24, 58320), (27, 51840), (30, 46656), (32, 43740), (36, 38880), (40, 34992), (45, 31104), (48, 29160), (54, 25920), (60, 23328), (64, 21870), (72, 19440), (80, 17496), (81, 17280), (90, 15552), (96, 14580), (108, 12960), (120, 11664), (128, 10935), (135, 10368), (144, 9720), (160, 8748), (162, 8640), (180, 7776), (192, 7290), (216, 6480), (240, 5832), (243, 5760), (270, 5184), (288, 4860), (320, 4374), (324, 4320), (360, 3888), (384, 3645), (405, 3456), (432, 3240), (480, 2916), (486, 2880), (540, 2592), (576, 2430), (640, 2187), (648, 2160), (720, 1944), (729, 1920), (810, 1728), (864, 1620), (960, 1458), (972, 1440), (1080, 1296), (1152, 1215)]