86696680

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 233280000

約数和(自身を除く): 146583320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 71, 89, 98, 140, 142, 178, 196, 245, 280, 284, 343, 355, 356, 392, 445, 490, 497, 568, 623, 686, 710, 712, 890, 980, 994, 1246, 1372, 1420, 1715, 1780, 1960, 1988, 2485, 2492, 2744, 2840, 3115, 3430, 3479, 3560, 3976, 4361, 4970, 4984, 6230, 6319, 6860, 6958, 8722, 9940, 12460, 12638, 13720, 13916, 17395, 17444, 19880, 21805, 24353, 24920, 25276, 27832, 30527, 31595, 34790, 34888, 43610, 44233, 48706, 50552, 61054, 63190, 69580, 87220, 88466, 97412, 121765, 122108, 126380, 139160, 152635, 174440, 176932, 194824, 221165, 243530, 244216, 252760, 305270, 309631, 353864, 442330, 487060, 610540, 619262, 884660, 974120, 1221080, 1238524, 1548155, 1769320, 2167417, 2477048, 3096310, 4334834, 6192620, 8669668, 10837085, 12385240, 17339336, 21674170, 43348340, 86696680]

約数ペア:

[(1, 86696680), (2, 43348340), (4, 21674170), (5, 17339336), (7, 12385240), (8, 10837085), (10, 8669668), (14, 6192620), (20, 4334834), (28, 3096310), (35, 2477048), (40, 2167417), (49, 1769320), (56, 1548155), (70, 1238524), (71, 1221080), (89, 974120), (98, 884660), (140, 619262), (142, 610540), (178, 487060), (196, 442330), (245, 353864), (280, 309631), (284, 305270), (343, 252760), (355, 244216), (356, 243530), (392, 221165), (445, 194824), (490, 176932), (497, 174440), (568, 152635), (623, 139160), (686, 126380), (710, 122108), (712, 121765), (890, 97412), (980, 88466), (994, 87220), (1246, 69580), (1372, 63190), (1420, 61054), (1715, 50552), (1780, 48706), (1960, 44233), (1988, 43610), (2485, 34888), (2492, 34790), (2744, 31595), (2840, 30527), (3115, 27832), (3430, 25276), (3479, 24920), (3560, 24353), (3976, 21805), (4361, 19880), (4970, 17444), (4984, 17395), (6230, 13916), (6319, 13720), (6860, 12638), (6958, 12460), (8722, 9940)]