84481280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5077}}^1$

素因数の和:5111

約数の個数: 72

約数和(自身を含む): 217968072

約数和(自身を除く): 133486792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 5077, 8320, 10154, 16640, 20308, 25385, 40616, 50770, 66001, 81232, 101540, 132002, 162464, 203080, 264004, 324928, 330005, 406160, 528008, 649856, 660010, 812320, 1056016, 1299712, 1320020, 1624640, 2112032, 2640040, 3249280, 4224064, 5280080, 6498560, 8448128, 10560160, 16896256, 21120320, 42240640, 84481280]

約数ペア:

[(1, 84481280), (2, 42240640), (4, 21120320), (5, 16896256), (8, 10560160), (10, 8448128), (13, 6498560), (16, 5280080), (20, 4224064), (26, 3249280), (32, 2640040), (40, 2112032), (52, 1624640), (64, 1320020), (65, 1299712), (80, 1056016), (104, 812320), (128, 660010), (130, 649856), (160, 528008), (208, 406160), (256, 330005), (260, 324928), (320, 264004), (416, 203080), (520, 162464), (640, 132002), (832, 101540), (1040, 81232), (1280, 66001), (1664, 50770), (2080, 40616), (3328, 25385), (4160, 20308), (5077, 16640), (8320, 10154)]