77800240

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:339

約数の個数: 120

約数和(自身を含む): 213736320

約数和(自身を除く): 135936080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 223, 245, 280, 356, 392, 445, 446, 490, 560, 623, 712, 784, 890, 892, 980, 1115, 1246, 1424, 1561, 1780, 1784, 1960, 2230, 2492, 3115, 3122, 3560, 3568, 3920, 4361, 4460, 4984, 6230, 6244, 7120, 7805, 8722, 8920, 9968, 10927, 12460, 12488, 15610, 17444, 17840, 19847, 21805, 21854, 24920, 24976, 31220, 34888, 39694, 43610, 43708, 49840, 54635, 62440, 69776, 79388, 87220, 87416, 99235, 109270, 124880, 138929, 158776, 174440, 174832, 198470, 218540, 277858, 317552, 348880, 396940, 437080, 555716, 694645, 793880, 874160, 972503, 1111432, 1389290, 1587760, 1945006, 2222864, 2778580, 3890012, 4862515, 5557160, 7780024, 9725030, 11114320, 15560048, 19450060, 38900120, 77800240]

約数ペア:

[(1, 77800240), (2, 38900120), (4, 19450060), (5, 15560048), (7, 11114320), (8, 9725030), (10, 7780024), (14, 5557160), (16, 4862515), (20, 3890012), (28, 2778580), (35, 2222864), (40, 1945006), (49, 1587760), (56, 1389290), (70, 1111432), (80, 972503), (89, 874160), (98, 793880), (112, 694645), (140, 555716), (178, 437080), (196, 396940), (223, 348880), (245, 317552), (280, 277858), (356, 218540), (392, 198470), (445, 174832), (446, 174440), (490, 158776), (560, 138929), (623, 124880), (712, 109270), (784, 99235), (890, 87416), (892, 87220), (980, 79388), (1115, 69776), (1246, 62440), (1424, 54635), (1561, 49840), (1780, 43708), (1784, 43610), (1960, 39694), (2230, 34888), (2492, 31220), (3115, 24976), (3122, 24920), (3560, 21854), (3568, 21805), (3920, 19847), (4361, 17840), (4460, 17444), (4984, 15610), (6230, 12488), (6244, 12460), (7120, 10927), (7805, 9968), (8722, 8920)]