81195120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{112771}}^1$

素因数の和:112790

約数の個数: 60

約数和(自身を含む): 272682696

約数和(自身を除く): 191487576

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, 112771, 225542, 338313, 451084, 563855, 676626, 902168, 1014939, 1127710, 1353252, 1691565, 1804336, 2029878, 2255420, 2706504, 3383130, 4059756, 4510840, 5074695, 5413008, 6766260, 8119512, 9021680, 10149390, 13532520, 16239024, 20298780, 27065040, 40597560, 81195120]

約数ペア:

[(1, 81195120), (2, 40597560), (3, 27065040), (4, 20298780), (5, 16239024), (6, 13532520), (8, 10149390), (9, 9021680), (10, 8119512), (12, 6766260), (15, 5413008), (16, 5074695), (18, 4510840), (20, 4059756), (24, 3383130), (30, 2706504), (36, 2255420), (40, 2029878), (45, 1804336), (48, 1691565), (60, 1353252), (72, 1127710), (80, 1014939), (90, 902168), (120, 676626), (144, 563855), (180, 451084), (240, 338313), (360, 225542), (720, 112771)]