30972960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 107144856

約数和(自身を除く): 76171896

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, 137, 144, 157, 160, 180, 240, 274, 288, 314, 360, 411, 471, 480, 548, 628, 685, 720, 785, 822, 942, 1096, 1233, 1256, 1370, 1413, 1440, 1570, 1644, 1884, 2055, 2192, 2355, 2466, 2512, 2740, 2826, 3140, 3288, 3768, 4110, 4384, 4710, 4932, 5024, 5480, 5652, 6165, 6280, 6576, 7065, 7536, 8220, 9420, 9864, 10960, 11304, 12330, 12560, 13152, 14130, 15072, 16440, 18840, 19728, 21509, 21920, 22608, 24660, 25120, 28260, 32880, 37680, 39456, 43018, 45216, 49320, 56520, 64527, 65760, 75360, 86036, 98640, 107545, 113040, 129054, 172072, 193581, 197280, 215090, 226080, 258108, 322635, 344144, 387162, 430180, 516216, 645270, 688288, 774324, 860360, 967905, 1032432, 1290540, 1548648, 1720720, 1935810, 2064864, 2581080, 3097296, 3441440, 3871620, 5162160, 6194592, 7743240, 10324320, 15486480, 30972960]

約数ペア:

[(1, 30972960), (2, 15486480), (3, 10324320), (4, 7743240), (5, 6194592), (6, 5162160), (8, 3871620), (9, 3441440), (10, 3097296), (12, 2581080), (15, 2064864), (16, 1935810), (18, 1720720), (20, 1548648), (24, 1290540), (30, 1032432), (32, 967905), (36, 860360), (40, 774324), (45, 688288), (48, 645270), (60, 516216), (72, 430180), (80, 387162), (90, 344144), (96, 322635), (120, 258108), (137, 226080), (144, 215090), (157, 197280), (160, 193581), (180, 172072), (240, 129054), (274, 113040), (288, 107545), (314, 98640), (360, 86036), (411, 75360), (471, 65760), (480, 64527), (548, 56520), (628, 49320), (685, 45216), (720, 43018), (785, 39456), (822, 37680), (942, 32880), (1096, 28260), (1233, 25120), (1256, 24660), (1370, 22608), (1413, 21920), (1440, 21509), (1570, 19728), (1644, 18840), (1884, 16440), (2055, 15072), (2192, 14130), (2355, 13152), (2466, 12560), (2512, 12330), (2740, 11304), (2826, 10960), (3140, 9864), (3288, 9420), (3768, 8220), (4110, 7536), (4384, 7065), (4710, 6576), (4932, 6280), (5024, 6165), (5480, 5652)]