204872040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:376

約数の個数: 192

約数和(自身を含む): 704246400

約数和(自身を除く): 499374360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 109, 115, 120, 138, 180, 184, 207, 218, 227, 230, 276, 327, 345, 360, 414, 436, 454, 460, 545, 552, 654, 681, 690, 828, 872, 908, 920, 981, 1035, 1090, 1135, 1308, 1362, 1380, 1635, 1656, 1816, 1962, 2043, 2070, 2180, 2270, 2507, 2616, 2724, 2760, 3270, 3405, 3924, 4086, 4140, 4360, 4540, 4905, 5014, 5221, 5448, 6540, 6810, 7521, 7848, 8172, 8280, 9080, 9810, 10028, 10215, 10442, 12535, 13080, 13620, 15042, 15663, 16344, 19620, 20056, 20430, 20884, 22563, 24743, 25070, 26105, 27240, 30084, 31326, 37605, 39240, 40860, 41768, 45126, 46989, 49486, 50140, 52210, 60168, 62652, 74229, 75210, 78315, 81720, 90252, 93978, 98972, 100280, 104420, 112815, 123715, 125304, 148458, 150420, 156630, 180504, 187956, 197944, 208840, 222687, 225630, 234945, 247430, 296916, 300840, 313260, 371145, 375912, 445374, 451260, 469890, 494860, 569089, 593832, 626520, 742290, 890748, 902520, 939780, 989720, 1113435, 1138178, 1484580, 1707267, 1781496, 1879560, 2226870, 2276356, 2845445, 2969160, 3414534, 4453740, 4552712, 5121801, 5690890, 6829068, 8536335, 8907480, 10243602, 11381780, 13658136, 17072670, 20487204, 22763560, 25609005, 34145340, 40974408, 51218010, 68290680, 102436020, 204872040]

約数ペア:

[(1, 204872040), (2, 102436020), (3, 68290680), (4, 51218010), (5, 40974408), (6, 34145340), (8, 25609005), (9, 22763560), (10, 20487204), (12, 17072670), (15, 13658136), (18, 11381780), (20, 10243602), (23, 8907480), (24, 8536335), (30, 6829068), (36, 5690890), (40, 5121801), (45, 4552712), (46, 4453740), (60, 3414534), (69, 2969160), (72, 2845445), (90, 2276356), (92, 2226870), (109, 1879560), (115, 1781496), (120, 1707267), (138, 1484580), (180, 1138178), (184, 1113435), (207, 989720), (218, 939780), (227, 902520), (230, 890748), (276, 742290), (327, 626520), (345, 593832), (360, 569089), (414, 494860), (436, 469890), (454, 451260), (460, 445374), (545, 375912), (552, 371145), (654, 313260), (681, 300840), (690, 296916), (828, 247430), (872, 234945), (908, 225630), (920, 222687), (981, 208840), (1035, 197944), (1090, 187956), (1135, 180504), (1308, 156630), (1362, 150420), (1380, 148458), (1635, 125304), (1656, 123715), (1816, 112815), (1962, 104420), (2043, 100280), (2070, 98972), (2180, 93978), (2270, 90252), (2507, 81720), (2616, 78315), (2724, 75210), (2760, 74229), (3270, 62652), (3405, 60168), (3924, 52210), (4086, 50140), (4140, 49486), (4360, 46989), (4540, 45126), (4905, 41768), (5014, 40860), (5221, 39240), (5448, 37605), (6540, 31326), (6810, 30084), (7521, 27240), (7848, 26105), (8172, 25070), (8280, 24743), (9080, 22563), (9810, 20884), (10028, 20430), (10215, 20056), (10442, 19620), (12535, 16344), (13080, 15663), (13620, 15042)]