315985920

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 208

約数和(自身を含む): 1045826880

約数和(自身を除く): 729840960

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, 139, 148, 160, 185, 192, 222, 240, 256, 278, 296, 320, 370, 384, 417, 444, 480, 512, 555, 556, 592, 640, 695, 740, 768, 834, 888, 960, 1024, 1110, 1112, 1184, 1280, 1390, 1480, 1536, 1668, 1776, 1920, 2048, 2085, 2220, 2224, 2368, 2560, 2780, 2960, 3072, 3336, 3552, 3840, 4096, 4170, 4440, 4448, 4736, 5120, 5143, 5560, 5920, 6144, 6672, 7104, 7680, 8340, 8880, 8896, 9472, 10240, 10286, 11120, 11840, 12288, 13344, 14208, 15360, 15429, 16680, 17760, 17792, 18944, 20480, 20572, 22240, 23680, 25715, 26688, 28416, 30720, 30858, 33360, 35520, 35584, 37888, 41144, 44480, 47360, 51430, 53376, 56832, 61440, 61716, 66720, 71040, 71168, 75776, 77145, 82288, 88960, 94720, 102860, 106752, 113664, 123432, 133440, 142080, 142336, 151552, 154290, 164576, 177920, 189440, 205720, 213504, 227328, 246864, 266880, 284160, 284672, 308580, 329152, 355840, 378880, 411440, 427008, 454656, 493728, 533760, 568320, 569344, 617160, 658304, 711680, 757760, 822880, 854016, 987456, 1067520, 1136640, 1234320, 1316608, 1423360, 1645760, 1708032, 1974912, 2135040, 2273280, 2468640, 2633216, 2846720, 3291520, 3949824, 4270080, 4937280, 5266432, 6583040, 7899648, 8540160, 9874560, 10532864, 13166080, 15799296, 19749120, 21065728, 26332160, 31598592, 39498240, 52664320, 63197184, 78996480, 105328640, 157992960, 315985920]

約数ペア:

[(1, 315985920), (2, 157992960), (3, 105328640), (4, 78996480), (5, 63197184), (6, 52664320), (8, 39498240), (10, 31598592), (12, 26332160), (15, 21065728), (16, 19749120), (20, 15799296), (24, 13166080), (30, 10532864), (32, 9874560), (37, 8540160), (40, 7899648), (48, 6583040), (60, 5266432), (64, 4937280), (74, 4270080), (80, 3949824), (96, 3291520), (111, 2846720), (120, 2633216), (128, 2468640), (139, 2273280), (148, 2135040), (160, 1974912), (185, 1708032), (192, 1645760), (222, 1423360), (240, 1316608), (256, 1234320), (278, 1136640), (296, 1067520), (320, 987456), (370, 854016), (384, 822880), (417, 757760), (444, 711680), (480, 658304), (512, 617160), (555, 569344), (556, 568320), (592, 533760), (640, 493728), (695, 454656), (740, 427008), (768, 411440), (834, 378880), (888, 355840), (960, 329152), (1024, 308580), (1110, 284672), (1112, 284160), (1184, 266880), (1280, 246864), (1390, 227328), (1480, 213504), (1536, 205720), (1668, 189440), (1776, 177920), (1920, 164576), (2048, 154290), (2085, 151552), (2220, 142336), (2224, 142080), (2368, 133440), (2560, 123432), (2780, 113664), (2960, 106752), (3072, 102860), (3336, 94720), (3552, 88960), (3840, 82288), (4096, 77145), (4170, 75776), (4440, 71168), (4448, 71040), (4736, 66720), (5120, 61716), (5143, 61440), (5560, 56832), (5920, 53376), (6144, 51430), (6672, 47360), (7104, 44480), (7680, 41144), (8340, 37888), (8880, 35584), (8896, 35520), (9472, 33360), (10240, 30858), (10286, 30720), (11120, 28416), (11840, 26688), (12288, 25715), (13344, 23680), (14208, 22240), (15360, 20572), (15429, 20480), (16680, 18944), (17760, 17792)]