66687320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 181560960

約数和(自身を除く): 114873640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 41, 56, 70, 74, 82, 140, 148, 157, 164, 185, 205, 259, 280, 287, 296, 314, 328, 370, 410, 518, 574, 628, 740, 785, 820, 1036, 1099, 1148, 1256, 1295, 1435, 1480, 1517, 1570, 1640, 2072, 2198, 2296, 2590, 2870, 3034, 3140, 4396, 5180, 5495, 5740, 5809, 6068, 6280, 6437, 7585, 8792, 10360, 10619, 10990, 11480, 11618, 12136, 12874, 15170, 21238, 21980, 23236, 25748, 29045, 30340, 32185, 40663, 42476, 43960, 45059, 46472, 51496, 53095, 58090, 60680, 64370, 81326, 84952, 90118, 106190, 116180, 128740, 162652, 180236, 203315, 212380, 225295, 232360, 238169, 257480, 325304, 360472, 406630, 424760, 450590, 476338, 813260, 901180, 952676, 1190845, 1626520, 1667183, 1802360, 1905352, 2381690, 3334366, 4763380, 6668732, 8335915, 9526760, 13337464, 16671830, 33343660, 66687320]

約数ペア:

[(1, 66687320), (2, 33343660), (4, 16671830), (5, 13337464), (7, 9526760), (8, 8335915), (10, 6668732), (14, 4763380), (20, 3334366), (28, 2381690), (35, 1905352), (37, 1802360), (40, 1667183), (41, 1626520), (56, 1190845), (70, 952676), (74, 901180), (82, 813260), (140, 476338), (148, 450590), (157, 424760), (164, 406630), (185, 360472), (205, 325304), (259, 257480), (280, 238169), (287, 232360), (296, 225295), (314, 212380), (328, 203315), (370, 180236), (410, 162652), (518, 128740), (574, 116180), (628, 106190), (740, 90118), (785, 84952), (820, 81326), (1036, 64370), (1099, 60680), (1148, 58090), (1256, 53095), (1295, 51496), (1435, 46472), (1480, 45059), (1517, 43960), (1570, 42476), (1640, 40663), (2072, 32185), (2198, 30340), (2296, 29045), (2590, 25748), (2870, 23236), (3034, 21980), (3140, 21238), (4396, 15170), (5180, 12874), (5495, 12136), (5740, 11618), (5809, 11480), (6068, 10990), (6280, 10619), (6437, 10360), (7585, 8792)]