90036520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:743

約数の個数: 96

約数和(自身を含む): 239345280

約数和(自身を除く): 149308760

約数列:

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

約数ペア:

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