12878520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 41990400

約数和(自身を除く): 29111880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 59, 60, 68, 85, 102, 107, 118, 120, 136, 170, 177, 204, 214, 236, 255, 295, 321, 340, 354, 408, 428, 472, 510, 535, 590, 642, 680, 708, 856, 885, 1003, 1020, 1070, 1180, 1284, 1416, 1605, 1770, 1819, 2006, 2040, 2140, 2360, 2568, 3009, 3210, 3540, 3638, 4012, 4280, 5015, 5457, 6018, 6313, 6420, 7080, 7276, 8024, 9095, 10030, 10914, 12036, 12626, 12840, 14552, 15045, 18190, 18939, 20060, 21828, 24072, 25252, 27285, 30090, 31565, 36380, 37878, 40120, 43656, 50504, 54570, 60180, 63130, 72760, 75756, 94695, 107321, 109140, 120360, 126260, 151512, 189390, 214642, 218280, 252520, 321963, 378780, 429284, 536605, 643926, 757560, 858568, 1073210, 1287852, 1609815, 2146420, 2575704, 3219630, 4292840, 6439260, 12878520]

約数ペア:

[(1, 12878520), (2, 6439260), (3, 4292840), (4, 3219630), (5, 2575704), (6, 2146420), (8, 1609815), (10, 1287852), (12, 1073210), (15, 858568), (17, 757560), (20, 643926), (24, 536605), (30, 429284), (34, 378780), (40, 321963), (51, 252520), (59, 218280), (60, 214642), (68, 189390), (85, 151512), (102, 126260), (107, 120360), (118, 109140), (120, 107321), (136, 94695), (170, 75756), (177, 72760), (204, 63130), (214, 60180), (236, 54570), (255, 50504), (295, 43656), (321, 40120), (340, 37878), (354, 36380), (408, 31565), (428, 30090), (472, 27285), (510, 25252), (535, 24072), (590, 21828), (642, 20060), (680, 18939), (708, 18190), (856, 15045), (885, 14552), (1003, 12840), (1020, 12626), (1070, 12036), (1180, 10914), (1284, 10030), (1416, 9095), (1605, 8024), (1770, 7276), (1819, 7080), (2006, 6420), (2040, 6313), (2140, 6018), (2360, 5457), (2568, 5015), (3009, 4280), (3210, 4012), (3540, 3638)]