161082720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{111863}}^1$

素因数の和:111884

約数の個数: 72

約数和(自身を含む): 549699696

約数和(自身を除く): 388616976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 111863, 223726, 335589, 447452, 559315, 671178, 894904, 1006767, 1118630, 1342356, 1677945, 1789808, 2013534, 2237260, 2684712, 3355890, 3579616, 4027068, 4474520, 5033835, 5369424, 6711780, 8054136, 8949040, 10067670, 10738848, 13423560, 16108272, 17898080, 20135340, 26847120, 32216544, 40270680, 53694240, 80541360, 161082720]

約数ペア:

[(1, 161082720), (2, 80541360), (3, 53694240), (4, 40270680), (5, 32216544), (6, 26847120), (8, 20135340), (9, 17898080), (10, 16108272), (12, 13423560), (15, 10738848), (16, 10067670), (18, 8949040), (20, 8054136), (24, 6711780), (30, 5369424), (32, 5033835), (36, 4474520), (40, 4027068), (45, 3579616), (48, 3355890), (60, 2684712), (72, 2237260), (80, 2013534), (90, 1789808), (96, 1677945), (120, 1342356), (144, 1118630), (160, 1006767), (180, 894904), (240, 671178), (288, 559315), (360, 447452), (480, 335589), (720, 223726), (1440, 111863)]