80680080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1361}}^1$

素因数の和:1409

約数の個数: 160

約数和(自身を含む): 283731840

約数和(自身を除く): 203051760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1361, 1482, 1520, 1560, 1976, 2280, 2470, 2722, 2964, 3120, 3705, 3952, 4083, 4560, 4940, 5444, 5928, 6805, 7410, 8166, 9880, 10888, 11856, 13610, 14820, 16332, 17693, 19760, 20415, 21776, 25859, 27220, 29640, 32664, 35386, 40830, 51718, 53079, 54440, 59280, 65328, 70772, 77577, 81660, 88465, 103436, 106158, 108880, 129295, 141544, 155154, 163320, 176930, 206872, 212316, 258590, 265395, 283088, 310308, 326640, 336167, 353860, 387885, 413744, 424632, 517180, 530790, 620616, 672334, 707720, 775770, 849264, 1008501, 1034360, 1061580, 1241232, 1344668, 1415440, 1551540, 1680835, 2017002, 2068720, 2123160, 2689336, 3103080, 3361670, 4034004, 4246320, 5042505, 5378672, 6206160, 6723340, 8068008, 10085010, 13446680, 16136016, 20170020, 26893360, 40340040, 80680080]

約数ペア:

[(1, 80680080), (2, 40340040), (3, 26893360), (4, 20170020), (5, 16136016), (6, 13446680), (8, 10085010), (10, 8068008), (12, 6723340), (13, 6206160), (15, 5378672), (16, 5042505), (19, 4246320), (20, 4034004), (24, 3361670), (26, 3103080), (30, 2689336), (38, 2123160), (39, 2068720), (40, 2017002), (48, 1680835), (52, 1551540), (57, 1415440), (60, 1344668), (65, 1241232), (76, 1061580), (78, 1034360), (80, 1008501), (95, 849264), (104, 775770), (114, 707720), (120, 672334), (130, 620616), (152, 530790), (156, 517180), (190, 424632), (195, 413744), (208, 387885), (228, 353860), (240, 336167), (247, 326640), (260, 310308), (285, 283088), (304, 265395), (312, 258590), (380, 212316), (390, 206872), (456, 176930), (494, 163320), (520, 155154), (570, 141544), (624, 129295), (741, 108880), (760, 106158), (780, 103436), (912, 88465), (988, 81660), (1040, 77577), (1140, 70772), (1235, 65328), (1361, 59280), (1482, 54440), (1520, 53079), (1560, 51718), (1976, 40830), (2280, 35386), (2470, 32664), (2722, 29640), (2964, 27220), (3120, 25859), (3705, 21776), (3952, 20415), (4083, 19760), (4560, 17693), (4940, 16332), (5444, 14820), (5928, 13610), (6805, 11856), (7410, 10888), (8166, 9880)]