80489520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{111791}}^1$

素因数の和:111810

約数の個数: 60

約数和(自身を含む): 270313056

約数和(自身を除く): 189823536

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, 111791, 223582, 335373, 447164, 558955, 670746, 894328, 1006119, 1117910, 1341492, 1676865, 1788656, 2012238, 2235820, 2682984, 3353730, 4024476, 4471640, 5030595, 5365968, 6707460, 8048952, 8943280, 10061190, 13414920, 16097904, 20122380, 26829840, 40244760, 80489520]

約数ペア:

[(1, 80489520), (2, 40244760), (3, 26829840), (4, 20122380), (5, 16097904), (6, 13414920), (8, 10061190), (9, 8943280), (10, 8048952), (12, 6707460), (15, 5365968), (16, 5030595), (18, 4471640), (20, 4024476), (24, 3353730), (30, 2682984), (36, 2235820), (40, 2012238), (45, 1788656), (48, 1676865), (60, 1341492), (72, 1117910), (80, 1006119), (90, 894328), (120, 670746), (144, 558955), (180, 447164), (240, 335373), (360, 223582), (720, 111791)]