80360120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2459}}^1$

素因数の和:2532

約数の個数: 64

約数和(自身を含む): 194832000

約数和(自身を除く): 114471880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 2459, 3268, 4085, 4918, 6536, 8170, 9836, 12295, 16340, 19672, 24590, 32680, 46721, 49180, 93442, 98360, 105737, 186884, 211474, 233605, 373768, 422948, 467210, 528685, 845896, 934420, 1057370, 1868840, 2009003, 2114740, 4018006, 4229480, 8036012, 10045015, 16072024, 20090030, 40180060, 80360120]

約数ペア:

[(1, 80360120), (2, 40180060), (4, 20090030), (5, 16072024), (8, 10045015), (10, 8036012), (19, 4229480), (20, 4018006), (38, 2114740), (40, 2009003), (43, 1868840), (76, 1057370), (86, 934420), (95, 845896), (152, 528685), (172, 467210), (190, 422948), (215, 373768), (344, 233605), (380, 211474), (430, 186884), (760, 105737), (817, 98360), (860, 93442), (1634, 49180), (1720, 46721), (2459, 32680), (3268, 24590), (4085, 19672), (4918, 16340), (6536, 12295), (8170, 9836)]