180073040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:745

約数の個数: 120

約数和(自身を含む): 494646912

約数和(自身を除く): 314573872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 71, 80, 98, 112, 140, 142, 196, 245, 280, 284, 355, 392, 490, 497, 560, 568, 647, 710, 784, 980, 994, 1136, 1294, 1420, 1960, 1988, 2485, 2588, 2840, 3235, 3479, 3920, 3976, 4529, 4970, 5176, 5680, 6470, 6958, 7952, 9058, 9940, 10352, 12940, 13916, 17395, 18116, 19880, 22645, 25880, 27832, 31703, 34790, 36232, 39760, 45290, 45937, 51760, 55664, 63406, 69580, 72464, 90580, 91874, 126812, 139160, 158515, 181160, 183748, 229685, 253624, 278320, 317030, 321559, 362320, 367496, 459370, 507248, 634060, 643118, 734992, 918740, 1268120, 1286236, 1607795, 1837480, 2250913, 2536240, 2572472, 3215590, 3674960, 4501826, 5144944, 6431180, 9003652, 11254565, 12862360, 18007304, 22509130, 25724720, 36014608, 45018260, 90036520, 180073040]

約数ペア:

[(1, 180073040), (2, 90036520), (4, 45018260), (5, 36014608), (7, 25724720), (8, 22509130), (10, 18007304), (14, 12862360), (16, 11254565), (20, 9003652), (28, 6431180), (35, 5144944), (40, 4501826), (49, 3674960), (56, 3215590), (70, 2572472), (71, 2536240), (80, 2250913), (98, 1837480), (112, 1607795), (140, 1286236), (142, 1268120), (196, 918740), (245, 734992), (280, 643118), (284, 634060), (355, 507248), (392, 459370), (490, 367496), (497, 362320), (560, 321559), (568, 317030), (647, 278320), (710, 253624), (784, 229685), (980, 183748), (994, 181160), (1136, 158515), (1294, 139160), (1420, 126812), (1960, 91874), (1988, 90580), (2485, 72464), (2588, 69580), (2840, 63406), (3235, 55664), (3479, 51760), (3920, 45937), (3976, 45290), (4529, 39760), (4970, 36232), (5176, 34790), (5680, 31703), (6470, 27832), (6958, 25880), (7952, 22645), (9058, 19880), (9940, 18116), (10352, 17395), (12940, 13916)]