215265840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 160

約数和(自身を含む): 698258880

約数和(自身を除く): 482993040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 157, 174, 197, 232, 240, 290, 314, 348, 394, 435, 464, 471, 580, 591, 628, 696, 785, 788, 870, 942, 985, 1160, 1182, 1256, 1392, 1570, 1576, 1740, 1884, 1970, 2320, 2355, 2364, 2512, 2955, 3140, 3152, 3480, 3768, 3940, 4553, 4710, 4728, 5713, 5910, 6280, 6960, 7536, 7880, 9106, 9420, 9456, 11426, 11820, 12560, 13659, 15760, 17139, 18212, 18840, 22765, 22852, 23640, 27318, 28565, 30929, 34278, 36424, 37680, 45530, 45704, 47280, 54636, 57130, 61858, 68295, 68556, 72848, 85695, 91060, 91408, 92787, 109272, 114260, 123716, 136590, 137112, 154645, 171390, 182120, 185574, 218544, 228520, 247432, 273180, 274224, 309290, 342780, 364240, 371148, 457040, 463935, 494864, 546360, 618580, 685560, 742296, 896941, 927870, 1092720, 1237160, 1371120, 1484592, 1793882, 1855740, 2474320, 2690823, 3587764, 3711480, 4484705, 5381646, 7175528, 7422960, 8969410, 10763292, 13454115, 14351056, 17938820, 21526584, 26908230, 35877640, 43053168, 53816460, 71755280, 107632920, 215265840]

約数ペア:

[(1, 215265840), (2, 107632920), (3, 71755280), (4, 53816460), (5, 43053168), (6, 35877640), (8, 26908230), (10, 21526584), (12, 17938820), (15, 14351056), (16, 13454115), (20, 10763292), (24, 8969410), (29, 7422960), (30, 7175528), (40, 5381646), (48, 4484705), (58, 3711480), (60, 3587764), (80, 2690823), (87, 2474320), (116, 1855740), (120, 1793882), (145, 1484592), (157, 1371120), (174, 1237160), (197, 1092720), (232, 927870), (240, 896941), (290, 742296), (314, 685560), (348, 618580), (394, 546360), (435, 494864), (464, 463935), (471, 457040), (580, 371148), (591, 364240), (628, 342780), (696, 309290), (785, 274224), (788, 273180), (870, 247432), (942, 228520), (985, 218544), (1160, 185574), (1182, 182120), (1256, 171390), (1392, 154645), (1570, 137112), (1576, 136590), (1740, 123716), (1884, 114260), (1970, 109272), (2320, 92787), (2355, 91408), (2364, 91060), (2512, 85695), (2955, 72848), (3140, 68556), (3152, 68295), (3480, 61858), (3768, 57130), (3940, 54636), (4553, 47280), (4710, 45704), (4728, 45530), (5713, 37680), (5910, 36424), (6280, 34278), (6960, 30929), (7536, 28565), (7880, 27318), (9106, 23640), (9420, 22852), (9456, 22765), (11426, 18840), (11820, 18212), (12560, 17139), (13659, 15760)]