80460720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111751}}^1$

素因数の和:111770

約数の個数: 60

約数和(自身を含む): 270216336

約数和(自身を除く): 189755616

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 111751, 223502, 335253, 447004, 558755, 670506, 894008, 1005759, 1117510, 1341012, 1676265, 1788016, 2011518, 2235020, 2682024, 3352530, 4023036, 4470040, 5028795, 5364048, 6705060, 8046072, 8940080, 10057590, 13410120, 16092144, 20115180, 26820240, 40230360, 80460720]

約数ペア:

[(1, 80460720), (2, 40230360), (3, 26820240), (4, 20115180), (5, 16092144), (6, 13410120), (8, 10057590), (9, 8940080), (10, 8046072), (12, 6705060), (15, 5364048), (16, 5028795), (18, 4470040), (20, 4023036), (24, 3352530), (30, 2682024), (36, 2235020), (40, 2011518), (45, 1788016), (48, 1676265), (60, 1341012), (72, 1117510), (80, 1005759), (90, 894008), (120, 670506), (144, 558755), (180, 447004), (240, 335253), (360, 223502), (720, 111751)]