123175920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:647

約数の個数: 160

約数和(自身を含む): 440114688

約数和(自身を除く): 316938768

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 314, 336, 420, 467, 471, 560, 628, 785, 840, 934, 942, 1099, 1256, 1401, 1570, 1680, 1868, 1884, 2198, 2335, 2355, 2512, 2802, 3140, 3269, 3297, 3736, 3768, 4396, 4670, 4710, 5495, 5604, 6280, 6538, 6594, 7005, 7472, 7536, 8792, 9340, 9420, 9807, 10990, 11208, 12560, 13076, 13188, 14010, 16345, 16485, 17584, 18680, 18840, 19614, 21980, 22416, 26152, 26376, 28020, 32690, 32970, 37360, 37680, 39228, 43960, 49035, 52304, 52752, 56040, 65380, 65940, 73319, 78456, 87920, 98070, 112080, 130760, 131880, 146638, 156912, 196140, 219957, 261520, 263760, 293276, 366595, 392280, 439914, 513233, 586552, 733190, 784560, 879828, 1026466, 1099785, 1173104, 1466380, 1539699, 1759656, 2052932, 2199570, 2566165, 2932760, 3079398, 3519312, 4105864, 4399140, 5132330, 5865520, 6158796, 7698495, 8211728, 8798280, 10264660, 12317592, 15396990, 17596560, 20529320, 24635184, 30793980, 41058640, 61587960, 123175920]

約数ペア:

[(1, 123175920), (2, 61587960), (3, 41058640), (4, 30793980), (5, 24635184), (6, 20529320), (7, 17596560), (8, 15396990), (10, 12317592), (12, 10264660), (14, 8798280), (15, 8211728), (16, 7698495), (20, 6158796), (21, 5865520), (24, 5132330), (28, 4399140), (30, 4105864), (35, 3519312), (40, 3079398), (42, 2932760), (48, 2566165), (56, 2199570), (60, 2052932), (70, 1759656), (80, 1539699), (84, 1466380), (105, 1173104), (112, 1099785), (120, 1026466), (140, 879828), (157, 784560), (168, 733190), (210, 586552), (240, 513233), (280, 439914), (314, 392280), (336, 366595), (420, 293276), (467, 263760), (471, 261520), (560, 219957), (628, 196140), (785, 156912), (840, 146638), (934, 131880), (942, 130760), (1099, 112080), (1256, 98070), (1401, 87920), (1570, 78456), (1680, 73319), (1868, 65940), (1884, 65380), (2198, 56040), (2335, 52752), (2355, 52304), (2512, 49035), (2802, 43960), (3140, 39228), (3269, 37680), (3297, 37360), (3736, 32970), (3768, 32690), (4396, 28020), (4670, 26376), (4710, 26152), (5495, 22416), (5604, 21980), (6280, 19614), (6538, 18840), (6594, 18680), (7005, 17584), (7472, 16485), (7536, 16345), (8792, 14010), (9340, 13188), (9420, 13076), (9807, 12560), (10990, 11208)]