31223040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:244

約数の個数: 144

約数和(自身を含む): 102428928

約数和(自身を除く): 71205888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 47, 48, 60, 64, 80, 94, 96, 120, 128, 141, 160, 173, 188, 192, 235, 240, 256, 282, 320, 346, 376, 384, 470, 480, 519, 564, 640, 692, 705, 752, 768, 865, 940, 960, 1038, 1128, 1280, 1384, 1410, 1504, 1730, 1880, 1920, 2076, 2256, 2595, 2768, 2820, 3008, 3460, 3760, 3840, 4152, 4512, 5190, 5536, 5640, 6016, 6920, 7520, 8131, 8304, 9024, 10380, 11072, 11280, 12032, 13840, 15040, 16262, 16608, 18048, 20760, 22144, 22560, 24393, 27680, 30080, 32524, 33216, 36096, 40655, 41520, 44288, 45120, 48786, 55360, 60160, 65048, 66432, 81310, 83040, 90240, 97572, 110720, 121965, 130096, 132864, 162620, 166080, 180480, 195144, 221440, 243930, 260192, 325240, 332160, 390288, 487860, 520384, 650480, 664320, 780576, 975720, 1040768, 1300960, 1561152, 1951440, 2081536, 2601920, 3122304, 3902880, 5203840, 6244608, 7805760, 10407680, 15611520, 31223040]

約数ペア:

[(1, 31223040), (2, 15611520), (3, 10407680), (4, 7805760), (5, 6244608), (6, 5203840), (8, 3902880), (10, 3122304), (12, 2601920), (15, 2081536), (16, 1951440), (20, 1561152), (24, 1300960), (30, 1040768), (32, 975720), (40, 780576), (47, 664320), (48, 650480), (60, 520384), (64, 487860), (80, 390288), (94, 332160), (96, 325240), (120, 260192), (128, 243930), (141, 221440), (160, 195144), (173, 180480), (188, 166080), (192, 162620), (235, 132864), (240, 130096), (256, 121965), (282, 110720), (320, 97572), (346, 90240), (376, 83040), (384, 81310), (470, 66432), (480, 65048), (519, 60160), (564, 55360), (640, 48786), (692, 45120), (705, 44288), (752, 41520), (768, 40655), (865, 36096), (940, 33216), (960, 32524), (1038, 30080), (1128, 27680), (1280, 24393), (1384, 22560), (1410, 22144), (1504, 20760), (1730, 18048), (1880, 16608), (1920, 16262), (2076, 15040), (2256, 13840), (2595, 12032), (2768, 11280), (2820, 11072), (3008, 10380), (3460, 9024), (3760, 8304), (3840, 8131), (4152, 7520), (4512, 6920), (5190, 6016), (5536, 5640)]