27989760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 92274336

約数和(自身を除く): 64284576

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, 185, 192, 197, 222, 240, 256, 296, 320, 370, 384, 394, 444, 480, 555, 591, 592, 640, 740, 768, 788, 888, 960, 985, 1110, 1182, 1184, 1280, 1480, 1576, 1776, 1920, 1970, 2220, 2364, 2368, 2955, 2960, 3152, 3552, 3840, 3940, 4440, 4728, 4736, 5910, 5920, 6304, 7104, 7289, 7880, 8880, 9456, 9472, 11820, 11840, 12608, 14208, 14578, 15760, 17760, 18912, 21867, 23640, 23680, 25216, 28416, 29156, 31520, 35520, 36445, 37824, 43734, 47280, 47360, 50432, 58312, 63040, 71040, 72890, 75648, 87468, 94560, 109335, 116624, 126080, 142080, 145780, 151296, 174936, 189120, 218670, 233248, 252160, 291560, 349872, 378240, 437340, 466496, 583120, 699744, 756480, 874680, 932992, 1166240, 1399488, 1749360, 1865984, 2332480, 2798976, 3498720, 4664960, 5597952, 6997440, 9329920, 13994880, 27989760]

約数ペア:

[(1, 27989760), (2, 13994880), (3, 9329920), (4, 6997440), (5, 5597952), (6, 4664960), (8, 3498720), (10, 2798976), (12, 2332480), (15, 1865984), (16, 1749360), (20, 1399488), (24, 1166240), (30, 932992), (32, 874680), (37, 756480), (40, 699744), (48, 583120), (60, 466496), (64, 437340), (74, 378240), (80, 349872), (96, 291560), (111, 252160), (120, 233248), (128, 218670), (148, 189120), (160, 174936), (185, 151296), (192, 145780), (197, 142080), (222, 126080), (240, 116624), (256, 109335), (296, 94560), (320, 87468), (370, 75648), (384, 72890), (394, 71040), (444, 63040), (480, 58312), (555, 50432), (591, 47360), (592, 47280), (640, 43734), (740, 37824), (768, 36445), (788, 35520), (888, 31520), (960, 29156), (985, 28416), (1110, 25216), (1182, 23680), (1184, 23640), (1280, 21867), (1480, 18912), (1576, 17760), (1776, 15760), (1920, 14578), (1970, 14208), (2220, 12608), (2364, 11840), (2368, 11820), (2955, 9472), (2960, 9456), (3152, 8880), (3552, 7880), (3840, 7289), (3940, 7104), (4440, 6304), (4728, 5920), (4736, 5910)]