154280560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 422517600

約数和(自身を除く): 268237040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 149, 172, 215, 280, 298, 301, 344, 430, 560, 596, 602, 688, 745, 860, 1043, 1192, 1204, 1490, 1505, 1720, 1849, 2086, 2384, 2408, 2980, 3010, 3440, 3698, 4172, 4816, 5215, 5960, 6020, 6407, 7396, 8344, 9245, 10430, 11920, 12040, 12814, 12943, 14792, 16688, 18490, 20860, 24080, 25628, 25886, 29584, 32035, 36980, 41720, 44849, 51256, 51772, 64070, 64715, 73960, 83440, 89698, 102512, 103544, 128140, 129430, 147920, 179396, 207088, 224245, 256280, 258860, 275501, 358792, 448490, 512560, 517720, 551002, 717584, 896980, 1035440, 1102004, 1377505, 1793960, 1928507, 2204008, 2755010, 3587920, 3857014, 4408016, 5510020, 7714028, 9642535, 11020040, 15428056, 19285070, 22040080, 30856112, 38570140, 77140280, 154280560]

約数ペア:

[(1, 154280560), (2, 77140280), (4, 38570140), (5, 30856112), (7, 22040080), (8, 19285070), (10, 15428056), (14, 11020040), (16, 9642535), (20, 7714028), (28, 5510020), (35, 4408016), (40, 3857014), (43, 3587920), (56, 2755010), (70, 2204008), (80, 1928507), (86, 1793960), (112, 1377505), (140, 1102004), (149, 1035440), (172, 896980), (215, 717584), (280, 551002), (298, 517720), (301, 512560), (344, 448490), (430, 358792), (560, 275501), (596, 258860), (602, 256280), (688, 224245), (745, 207088), (860, 179396), (1043, 147920), (1192, 129430), (1204, 128140), (1490, 103544), (1505, 102512), (1720, 89698), (1849, 83440), (2086, 73960), (2384, 64715), (2408, 64070), (2980, 51772), (3010, 51256), (3440, 44849), (3698, 41720), (4172, 36980), (4816, 32035), (5215, 29584), (5960, 25886), (6020, 25628), (6407, 24080), (7396, 20860), (8344, 18490), (9245, 16688), (10430, 14792), (11920, 12943), (12040, 12814)]