320662720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:187

約数の個数: 224

約数和(自身を含む): 925665408

約数和(自身を除く): 605002688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 53, 56, 64, 70, 73, 74, 80, 106, 112, 140, 146, 148, 160, 185, 212, 224, 259, 265, 280, 292, 296, 320, 365, 370, 371, 424, 448, 511, 518, 530, 560, 584, 592, 730, 740, 742, 848, 1022, 1036, 1060, 1120, 1168, 1184, 1295, 1460, 1480, 1484, 1696, 1855, 1961, 2044, 2072, 2120, 2240, 2336, 2368, 2555, 2590, 2701, 2920, 2960, 2968, 3392, 3710, 3869, 3922, 4088, 4144, 4240, 4672, 5110, 5180, 5402, 5840, 5920, 5936, 7420, 7738, 7844, 8176, 8288, 8480, 9805, 10220, 10360, 10804, 11680, 11840, 11872, 13505, 13727, 14840, 15476, 15688, 16352, 16576, 16960, 18907, 19345, 19610, 20440, 20720, 21608, 23360, 23744, 27010, 27083, 27454, 29680, 30952, 31376, 32704, 37814, 38690, 39220, 40880, 41440, 43216, 54020, 54166, 54908, 59360, 61904, 62752, 68635, 75628, 77380, 78440, 81760, 82880, 86432, 94535, 108040, 108332, 109816, 118720, 123808, 125504, 135415, 137270, 143153, 151256, 154760, 156880, 163520, 172864, 189070, 216080, 216664, 219632, 247616, 270830, 274540, 286306, 302512, 309520, 313760, 378140, 432160, 433328, 439264, 541660, 549080, 572612, 605024, 619040, 627520, 715765, 756280, 864320, 866656, 878528, 1002071, 1083320, 1098160, 1145224, 1210048, 1238080, 1431530, 1512560, 1733312, 2004142, 2166640, 2196320, 2290448, 2863060, 3025120, 4008284, 4333280, 4392640, 4580896, 5010355, 5726120, 6050240, 8016568, 8666560, 9161792, 10020710, 11452240, 16033136, 20041420, 22904480, 32066272, 40082840, 45808960, 64132544, 80165680, 160331360, 320662720]

約数ペア:

[(1, 320662720), (2, 160331360), (4, 80165680), (5, 64132544), (7, 45808960), (8, 40082840), (10, 32066272), (14, 22904480), (16, 20041420), (20, 16033136), (28, 11452240), (32, 10020710), (35, 9161792), (37, 8666560), (40, 8016568), (53, 6050240), (56, 5726120), (64, 5010355), (70, 4580896), (73, 4392640), (74, 4333280), (80, 4008284), (106, 3025120), (112, 2863060), (140, 2290448), (146, 2196320), (148, 2166640), (160, 2004142), (185, 1733312), (212, 1512560), (224, 1431530), (259, 1238080), (265, 1210048), (280, 1145224), (292, 1098160), (296, 1083320), (320, 1002071), (365, 878528), (370, 866656), (371, 864320), (424, 756280), (448, 715765), (511, 627520), (518, 619040), (530, 605024), (560, 572612), (584, 549080), (592, 541660), (730, 439264), (740, 433328), (742, 432160), (848, 378140), (1022, 313760), (1036, 309520), (1060, 302512), (1120, 286306), (1168, 274540), (1184, 270830), (1295, 247616), (1460, 219632), (1480, 216664), (1484, 216080), (1696, 189070), (1855, 172864), (1961, 163520), (2044, 156880), (2072, 154760), (2120, 151256), (2240, 143153), (2336, 137270), (2368, 135415), (2555, 125504), (2590, 123808), (2701, 118720), (2920, 109816), (2960, 108332), (2968, 108040), (3392, 94535), (3710, 86432), (3869, 82880), (3922, 81760), (4088, 78440), (4144, 77380), (4240, 75628), (4672, 68635), (5110, 62752), (5180, 61904), (5402, 59360), (5840, 54908), (5920, 54166), (5936, 54020), (7420, 43216), (7738, 41440), (7844, 40880), (8176, 39220), (8288, 38690), (8480, 37814), (9805, 32704), (10220, 31376), (10360, 30952), (10804, 29680), (11680, 27454), (11840, 27083), (11872, 27010), (13505, 23744), (13727, 23360), (14840, 21608), (15476, 20720), (15688, 20440), (16352, 19610), (16576, 19345), (16960, 18907)]