313898560

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{31643}}^1$

素因数の和:31691

約数の個数: 56

約数和(自身を含む): 771607296

約数和(自身を除く): 457708736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 31643, 63286, 126572, 158215, 253144, 316430, 506288, 632860, 980933, 1012576, 1265720, 1961866, 2025152, 2531440, 3923732, 4904665, 5062880, 7847464, 9809330, 10125760, 15694928, 19618660, 31389856, 39237320, 62779712, 78474640, 156949280, 313898560]

約数ペア:

[(1, 313898560), (2, 156949280), (4, 78474640), (5, 62779712), (8, 39237320), (10, 31389856), (16, 19618660), (20, 15694928), (31, 10125760), (32, 9809330), (40, 7847464), (62, 5062880), (64, 4904665), (80, 3923732), (124, 2531440), (155, 2025152), (160, 1961866), (248, 1265720), (310, 1012576), (320, 980933), (496, 632860), (620, 506288), (992, 316430), (1240, 253144), (1984, 158215), (2480, 126572), (4960, 63286), (9920, 31643)]