311439360

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 208

約数和(自身を含む): 1030886496

約数和(自身を除く): 719447136

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, 137, 148, 160, 185, 192, 222, 240, 256, 274, 296, 320, 370, 384, 411, 444, 480, 512, 548, 555, 592, 640, 685, 740, 768, 822, 888, 960, 1024, 1096, 1110, 1184, 1280, 1370, 1480, 1536, 1644, 1776, 1920, 2048, 2055, 2192, 2220, 2368, 2560, 2740, 2960, 3072, 3288, 3552, 3840, 4096, 4110, 4384, 4440, 4736, 5069, 5120, 5480, 5920, 6144, 6576, 7104, 7680, 8220, 8768, 8880, 9472, 10138, 10240, 10960, 11840, 12288, 13152, 14208, 15207, 15360, 16440, 17536, 17760, 18944, 20276, 20480, 21920, 23680, 25345, 26304, 28416, 30414, 30720, 32880, 35072, 35520, 37888, 40552, 43840, 47360, 50690, 52608, 56832, 60828, 61440, 65760, 70144, 71040, 75776, 76035, 81104, 87680, 94720, 101380, 105216, 113664, 121656, 131520, 140288, 142080, 151552, 152070, 162208, 175360, 189440, 202760, 210432, 227328, 243312, 263040, 280576, 284160, 304140, 324416, 350720, 378880, 405520, 420864, 454656, 486624, 526080, 561152, 568320, 608280, 648832, 701440, 757760, 811040, 841728, 973248, 1052160, 1136640, 1216560, 1297664, 1402880, 1622080, 1683456, 1946496, 2104320, 2273280, 2433120, 2595328, 2805760, 3244160, 3892992, 4208640, 4866240, 5190656, 6488320, 7785984, 8417280, 9732480, 10381312, 12976640, 15571968, 19464960, 20762624, 25953280, 31143936, 38929920, 51906560, 62287872, 77859840, 103813120, 155719680, 311439360]

約数ペア:

[(1, 311439360), (2, 155719680), (3, 103813120), (4, 77859840), (5, 62287872), (6, 51906560), (8, 38929920), (10, 31143936), (12, 25953280), (15, 20762624), (16, 19464960), (20, 15571968), (24, 12976640), (30, 10381312), (32, 9732480), (37, 8417280), (40, 7785984), (48, 6488320), (60, 5190656), (64, 4866240), (74, 4208640), (80, 3892992), (96, 3244160), (111, 2805760), (120, 2595328), (128, 2433120), (137, 2273280), (148, 2104320), (160, 1946496), (185, 1683456), (192, 1622080), (222, 1402880), (240, 1297664), (256, 1216560), (274, 1136640), (296, 1052160), (320, 973248), (370, 841728), (384, 811040), (411, 757760), (444, 701440), (480, 648832), (512, 608280), (548, 568320), (555, 561152), (592, 526080), (640, 486624), (685, 454656), (740, 420864), (768, 405520), (822, 378880), (888, 350720), (960, 324416), (1024, 304140), (1096, 284160), (1110, 280576), (1184, 263040), (1280, 243312), (1370, 227328), (1480, 210432), (1536, 202760), (1644, 189440), (1776, 175360), (1920, 162208), (2048, 152070), (2055, 151552), (2192, 142080), (2220, 140288), (2368, 131520), (2560, 121656), (2740, 113664), (2960, 105216), (3072, 101380), (3288, 94720), (3552, 87680), (3840, 81104), (4096, 76035), (4110, 75776), (4384, 71040), (4440, 70144), (4736, 65760), (5069, 61440), (5120, 60828), (5480, 56832), (5920, 52608), (6144, 50690), (6576, 47360), (7104, 43840), (7680, 40552), (8220, 37888), (8768, 35520), (8880, 35072), (9472, 32880), (10138, 30720), (10240, 30414), (10960, 28416), (11840, 26304), (12288, 25345), (13152, 23680), (14208, 21920), (15207, 20480), (15360, 20276), (16440, 18944), (17536, 17760)]