389514240

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 264

約数和(自身を含む): 1379514240

約数和(自身を除く): 990000000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 79, 80, 90, 96, 107, 120, 128, 144, 158, 160, 180, 192, 214, 237, 240, 256, 288, 316, 320, 321, 360, 384, 395, 428, 474, 480, 512, 535, 576, 632, 640, 642, 711, 720, 768, 790, 856, 948, 960, 963, 1024, 1070, 1152, 1185, 1264, 1280, 1284, 1422, 1440, 1536, 1580, 1605, 1712, 1896, 1920, 1926, 2140, 2304, 2370, 2528, 2560, 2568, 2844, 2880, 3072, 3160, 3210, 3424, 3555, 3792, 3840, 3852, 4280, 4608, 4740, 4815, 5056, 5120, 5136, 5688, 5760, 6320, 6420, 6848, 7110, 7584, 7680, 7704, 8453, 8560, 9216, 9480, 9630, 10112, 10272, 11376, 11520, 12640, 12840, 13696, 14220, 15168, 15360, 15408, 16906, 17120, 18960, 19260, 20224, 20544, 22752, 23040, 25280, 25359, 25680, 27392, 28440, 30336, 30816, 33812, 34240, 37920, 38520, 40448, 41088, 42265, 45504, 46080, 50560, 50718, 51360, 54784, 56880, 60672, 61632, 67624, 68480, 75840, 76077, 77040, 80896, 82176, 84530, 91008, 101120, 101436, 102720, 109568, 113760, 121344, 123264, 126795, 135248, 136960, 151680, 152154, 154080, 164352, 169060, 182016, 202240, 202872, 205440, 227520, 242688, 246528, 253590, 270496, 273920, 303360, 304308, 308160, 328704, 338120, 364032, 380385, 404480, 405744, 410880, 455040, 493056, 507180, 540992, 547840, 606720, 608616, 616320, 676240, 728064, 760770, 811488, 821760, 910080, 986112, 1014360, 1081984, 1213440, 1217232, 1232640, 1352480, 1521540, 1622976, 1643520, 1820160, 2028720, 2163968, 2434464, 2465280, 2704960, 3043080, 3245952, 3640320, 4057440, 4327936, 4868928, 4930560, 5409920, 6086160, 6491904, 8114880, 8655872, 9737856, 10819840, 12172320, 12983808, 16229760, 19475712, 21639680, 24344640, 25967616, 32459520, 38951424, 43279360, 48689280, 64919040, 77902848, 97378560, 129838080, 194757120, 389514240]

約数ペア:

[(1, 389514240), (2, 194757120), (3, 129838080), (4, 97378560), (5, 77902848), (6, 64919040), (8, 48689280), (9, 43279360), (10, 38951424), (12, 32459520), (15, 25967616), (16, 24344640), (18, 21639680), (20, 19475712), (24, 16229760), (30, 12983808), (32, 12172320), (36, 10819840), (40, 9737856), (45, 8655872), (48, 8114880), (60, 6491904), (64, 6086160), (72, 5409920), (79, 4930560), (80, 4868928), (90, 4327936), (96, 4057440), (107, 3640320), (120, 3245952), (128, 3043080), (144, 2704960), (158, 2465280), (160, 2434464), (180, 2163968), (192, 2028720), (214, 1820160), (237, 1643520), (240, 1622976), (256, 1521540), (288, 1352480), (316, 1232640), (320, 1217232), (321, 1213440), (360, 1081984), (384, 1014360), (395, 986112), (428, 910080), (474, 821760), (480, 811488), (512, 760770), (535, 728064), (576, 676240), (632, 616320), (640, 608616), (642, 606720), (711, 547840), (720, 540992), (768, 507180), (790, 493056), (856, 455040), (948, 410880), (960, 405744), (963, 404480), (1024, 380385), (1070, 364032), (1152, 338120), (1185, 328704), (1264, 308160), (1280, 304308), (1284, 303360), (1422, 273920), (1440, 270496), (1536, 253590), (1580, 246528), (1605, 242688), (1712, 227520), (1896, 205440), (1920, 202872), (1926, 202240), (2140, 182016), (2304, 169060), (2370, 164352), (2528, 154080), (2560, 152154), (2568, 151680), (2844, 136960), (2880, 135248), (3072, 126795), (3160, 123264), (3210, 121344), (3424, 113760), (3555, 109568), (3792, 102720), (3840, 101436), (3852, 101120), (4280, 91008), (4608, 84530), (4740, 82176), (4815, 80896), (5056, 77040), (5120, 76077), (5136, 75840), (5688, 68480), (5760, 67624), (6320, 61632), (6420, 60672), (6848, 56880), (7110, 54784), (7584, 51360), (7680, 50718), (7704, 50560), (8453, 46080), (8560, 45504), (9216, 42265), (9480, 41088), (9630, 40448), (10112, 38520), (10272, 37920), (11376, 34240), (11520, 33812), (12640, 30816), (12840, 30336), (13696, 28440), (14220, 27392), (15168, 25680), (15360, 25359), (15408, 25280), (16906, 23040), (17120, 22752), (18960, 20544), (19260, 20224)]