320169920

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{2917}}^1$

素因数の和:2955

約数の個数: 112

約数和(自身を含む): 889406400

約数和(自身を除く): 569236480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2240, 2744, 2917, 3136, 3430, 3920, 5488, 5834, 6860, 7840, 10976, 11668, 13720, 14585, 15680, 20419, 21952, 23336, 27440, 29170, 40838, 46672, 54880, 58340, 81676, 93344, 102095, 109760, 116680, 142933, 163352, 186688, 204190, 233360, 285866, 326704, 408380, 466720, 571732, 653408, 714665, 816760, 933440, 1000531, 1143464, 1306816, 1429330, 1633520, 2001062, 2286928, 2858660, 3267040, 4002124, 4573856, 5002655, 5717320, 6534080, 8004248, 9147712, 10005310, 11434640, 16008496, 20010620, 22869280, 32016992, 40021240, 45738560, 64033984, 80042480, 160084960, 320169920]

約数ペア:

[(1, 320169920), (2, 160084960), (4, 80042480), (5, 64033984), (7, 45738560), (8, 40021240), (10, 32016992), (14, 22869280), (16, 20010620), (20, 16008496), (28, 11434640), (32, 10005310), (35, 9147712), (40, 8004248), (49, 6534080), (56, 5717320), (64, 5002655), (70, 4573856), (80, 4002124), (98, 3267040), (112, 2858660), (140, 2286928), (160, 2001062), (196, 1633520), (224, 1429330), (245, 1306816), (280, 1143464), (320, 1000531), (343, 933440), (392, 816760), (448, 714665), (490, 653408), (560, 571732), (686, 466720), (784, 408380), (980, 326704), (1120, 285866), (1372, 233360), (1568, 204190), (1715, 186688), (1960, 163352), (2240, 142933), (2744, 116680), (2917, 109760), (3136, 102095), (3430, 93344), (3920, 81676), (5488, 58340), (5834, 54880), (6860, 46672), (7840, 40838), (10976, 29170), (11668, 27440), (13720, 23336), (14585, 21952), (15680, 20419)]