12289920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:232

約数の個数: 128

約数和(自身を含む): 40465440

約数和(自身を除く): 28175520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 128, 148, 160, 173, 185, 192, 222, 240, 296, 320, 346, 370, 384, 444, 480, 519, 555, 592, 640, 692, 740, 865, 888, 960, 1038, 1110, 1184, 1384, 1480, 1730, 1776, 1920, 2076, 2220, 2368, 2595, 2768, 2960, 3460, 3552, 4152, 4440, 4736, 5190, 5536, 5920, 6401, 6920, 7104, 8304, 8880, 10380, 11072, 11840, 12802, 13840, 14208, 16608, 17760, 19203, 20760, 22144, 23680, 25604, 27680, 32005, 33216, 35520, 38406, 41520, 51208, 55360, 64010, 66432, 71040, 76812, 83040, 96015, 102416, 110720, 128020, 153624, 166080, 192030, 204832, 256040, 307248, 332160, 384060, 409664, 512080, 614496, 768120, 819328, 1024160, 1228992, 1536240, 2048320, 2457984, 3072480, 4096640, 6144960, 12289920]

約数ペア:

[(1, 12289920), (2, 6144960), (3, 4096640), (4, 3072480), (5, 2457984), (6, 2048320), (8, 1536240), (10, 1228992), (12, 1024160), (15, 819328), (16, 768120), (20, 614496), (24, 512080), (30, 409664), (32, 384060), (37, 332160), (40, 307248), (48, 256040), (60, 204832), (64, 192030), (74, 166080), (80, 153624), (96, 128020), (111, 110720), (120, 102416), (128, 96015), (148, 83040), (160, 76812), (173, 71040), (185, 66432), (192, 64010), (222, 55360), (240, 51208), (296, 41520), (320, 38406), (346, 35520), (370, 33216), (384, 32005), (444, 27680), (480, 25604), (519, 23680), (555, 22144), (592, 20760), (640, 19203), (692, 17760), (740, 16608), (865, 14208), (888, 13840), (960, 12802), (1038, 11840), (1110, 11072), (1184, 10380), (1384, 8880), (1480, 8304), (1730, 7104), (1776, 6920), (1920, 6401), (2076, 5920), (2220, 5536), (2368, 5190), (2595, 4736), (2768, 4440), (2960, 4152), (3460, 3552)]