86640320

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{353}}^1$

素因数の和:442

約数の個数: 112

約数和(自身を含む): 226588320

約数和(自身を除く): 139948000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 130, 160, 208, 236, 260, 295, 320, 353, 416, 472, 520, 590, 706, 767, 832, 944, 1040, 1180, 1412, 1534, 1765, 1888, 2080, 2360, 2824, 3068, 3530, 3776, 3835, 4160, 4589, 4720, 5648, 6136, 7060, 7670, 9178, 9440, 11296, 12272, 14120, 15340, 18356, 18880, 20827, 22592, 22945, 24544, 28240, 30680, 36712, 41654, 45890, 49088, 56480, 61360, 73424, 83308, 91780, 104135, 112960, 122720, 146848, 166616, 183560, 208270, 245440, 270751, 293696, 333232, 367120, 416540, 541502, 666464, 734240, 833080, 1083004, 1332928, 1353755, 1468480, 1666160, 2166008, 2707510, 3332320, 4332016, 5415020, 6664640, 8664032, 10830040, 17328064, 21660080, 43320160, 86640320]

約数ペア:

[(1, 86640320), (2, 43320160), (4, 21660080), (5, 17328064), (8, 10830040), (10, 8664032), (13, 6664640), (16, 5415020), (20, 4332016), (26, 3332320), (32, 2707510), (40, 2166008), (52, 1666160), (59, 1468480), (64, 1353755), (65, 1332928), (80, 1083004), (104, 833080), (118, 734240), (130, 666464), (160, 541502), (208, 416540), (236, 367120), (260, 333232), (295, 293696), (320, 270751), (353, 245440), (416, 208270), (472, 183560), (520, 166616), (590, 146848), (706, 122720), (767, 112960), (832, 104135), (944, 91780), (1040, 83308), (1180, 73424), (1412, 61360), (1534, 56480), (1765, 49088), (1888, 45890), (2080, 41654), (2360, 36712), (2824, 30680), (3068, 28240), (3530, 24544), (3776, 22945), (3835, 22592), (4160, 20827), (4589, 18880), (4720, 18356), (5648, 15340), (6136, 14120), (7060, 12272), (7670, 11296), (9178, 9440)]