82720160

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 204256080

約数和(自身を除く): 121535920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 89, 148, 157, 160, 178, 185, 296, 314, 356, 370, 445, 592, 628, 712, 740, 785, 890, 1184, 1256, 1424, 1480, 1570, 1780, 2512, 2848, 2960, 3140, 3293, 3560, 5024, 5809, 5920, 6280, 6586, 7120, 11618, 12560, 13172, 13973, 14240, 16465, 23236, 25120, 26344, 27946, 29045, 32930, 46472, 52688, 55892, 58090, 65860, 69865, 92944, 105376, 111784, 116180, 131720, 139730, 185888, 223568, 232360, 263440, 279460, 447136, 464720, 517001, 526880, 558920, 929440, 1034002, 1117840, 2068004, 2235680, 2585005, 4136008, 5170010, 8272016, 10340020, 16544032, 20680040, 41360080, 82720160]

約数ペア:

[(1, 82720160), (2, 41360080), (4, 20680040), (5, 16544032), (8, 10340020), (10, 8272016), (16, 5170010), (20, 4136008), (32, 2585005), (37, 2235680), (40, 2068004), (74, 1117840), (80, 1034002), (89, 929440), (148, 558920), (157, 526880), (160, 517001), (178, 464720), (185, 447136), (296, 279460), (314, 263440), (356, 232360), (370, 223568), (445, 185888), (592, 139730), (628, 131720), (712, 116180), (740, 111784), (785, 105376), (890, 92944), (1184, 69865), (1256, 65860), (1424, 58090), (1480, 55892), (1570, 52688), (1780, 46472), (2512, 32930), (2848, 29045), (2960, 27946), (3140, 26344), (3293, 25120), (3560, 23236), (5024, 16465), (5809, 14240), (5920, 13973), (6280, 13172), (6586, 12560), (7120, 11618)]