388376640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:674

約数の個数: 224

約数和(自身を含む): 1389888000

約数和(自身を除く): 1001511360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 79, 80, 90, 96, 108, 120, 135, 144, 158, 160, 180, 192, 216, 237, 240, 270, 288, 316, 320, 360, 395, 432, 474, 480, 540, 569, 576, 632, 711, 720, 790, 864, 948, 960, 1080, 1138, 1185, 1264, 1422, 1440, 1580, 1707, 1728, 1896, 2133, 2160, 2276, 2370, 2528, 2844, 2845, 2880, 3160, 3414, 3555, 3792, 4266, 4320, 4552, 4740, 5056, 5121, 5688, 5690, 6320, 6828, 7110, 7584, 8532, 8535, 8640, 9104, 9480, 10242, 10665, 11376, 11380, 12640, 13656, 14220, 15168, 15363, 17064, 17070, 18208, 18960, 20484, 21330, 22752, 22760, 25280, 25605, 27312, 28440, 30726, 34128, 34140, 36416, 37920, 40968, 42660, 44951, 45504, 45520, 51210, 54624, 56880, 61452, 68256, 68280, 75840, 76815, 81936, 85320, 89902, 91040, 102420, 109248, 113760, 122904, 134853, 136512, 136560, 153630, 163872, 170640, 179804, 182080, 204840, 224755, 227520, 245808, 269706, 273120, 307260, 327744, 341280, 359608, 404559, 409680, 449510, 491616, 539412, 546240, 614520, 674265, 682560, 719216, 809118, 819360, 899020, 983232, 1078824, 1213677, 1229040, 1348530, 1438432, 1618236, 1638720, 1798040, 2022795, 2157648, 2427354, 2458080, 2697060, 2876864, 3236472, 3596080, 4045590, 4315296, 4854708, 4916160, 5394120, 6068385, 6472944, 7192160, 8091180, 8630592, 9709416, 10788240, 12136770, 12945888, 14384320, 16182360, 19418832, 21576480, 24273540, 25891776, 32364720, 38837664, 43152960, 48547080, 64729440, 77675328, 97094160, 129458880, 194188320, 388376640]

約数ペア:

[(1, 388376640), (2, 194188320), (3, 129458880), (4, 97094160), (5, 77675328), (6, 64729440), (8, 48547080), (9, 43152960), (10, 38837664), (12, 32364720), (15, 25891776), (16, 24273540), (18, 21576480), (20, 19418832), (24, 16182360), (27, 14384320), (30, 12945888), (32, 12136770), (36, 10788240), (40, 9709416), (45, 8630592), (48, 8091180), (54, 7192160), (60, 6472944), (64, 6068385), (72, 5394120), (79, 4916160), (80, 4854708), (90, 4315296), (96, 4045590), (108, 3596080), (120, 3236472), (135, 2876864), (144, 2697060), (158, 2458080), (160, 2427354), (180, 2157648), (192, 2022795), (216, 1798040), (237, 1638720), (240, 1618236), (270, 1438432), (288, 1348530), (316, 1229040), (320, 1213677), (360, 1078824), (395, 983232), (432, 899020), (474, 819360), (480, 809118), (540, 719216), (569, 682560), (576, 674265), (632, 614520), (711, 546240), (720, 539412), (790, 491616), (864, 449510), (948, 409680), (960, 404559), (1080, 359608), (1138, 341280), (1185, 327744), (1264, 307260), (1422, 273120), (1440, 269706), (1580, 245808), (1707, 227520), (1728, 224755), (1896, 204840), (2133, 182080), (2160, 179804), (2276, 170640), (2370, 163872), (2528, 153630), (2844, 136560), (2845, 136512), (2880, 134853), (3160, 122904), (3414, 113760), (3555, 109248), (3792, 102420), (4266, 91040), (4320, 89902), (4552, 85320), (4740, 81936), (5056, 76815), (5121, 75840), (5688, 68280), (5690, 68256), (6320, 61452), (6828, 56880), (7110, 54624), (7584, 51210), (8532, 45520), (8535, 45504), (8640, 44951), (9104, 42660), (9480, 40968), (10242, 37920), (10665, 36416), (11376, 34140), (11380, 34128), (12640, 30726), (13656, 28440), (14220, 27312), (15168, 25605), (15363, 25280), (17064, 22760), (17070, 22752), (18208, 21330), (18960, 20484)]