90771520

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{827}}^1$

素因数の和:865

約数の個数: 112

約数和(自身を含む): 252374400

約数和(自身を除く): 161602880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 343, 392, 448, 490, 560, 686, 784, 827, 980, 1120, 1372, 1568, 1654, 1715, 1960, 2240, 2744, 3136, 3308, 3430, 3920, 4135, 5488, 5789, 6616, 6860, 7840, 8270, 10976, 11578, 13232, 13720, 15680, 16540, 21952, 23156, 26464, 27440, 28945, 33080, 40523, 46312, 52928, 54880, 57890, 66160, 81046, 92624, 109760, 115780, 132320, 162092, 185248, 202615, 231560, 264640, 283661, 324184, 370496, 405230, 463120, 567322, 648368, 810460, 926240, 1134644, 1296736, 1418305, 1620920, 1852480, 2269288, 2593472, 2836610, 3241840, 4538576, 5673220, 6483680, 9077152, 11346440, 12967360, 18154304, 22692880, 45385760, 90771520]

約数ペア:

[(1, 90771520), (2, 45385760), (4, 22692880), (5, 18154304), (7, 12967360), (8, 11346440), (10, 9077152), (14, 6483680), (16, 5673220), (20, 4538576), (28, 3241840), (32, 2836610), (35, 2593472), (40, 2269288), (49, 1852480), (56, 1620920), (64, 1418305), (70, 1296736), (80, 1134644), (98, 926240), (112, 810460), (140, 648368), (160, 567322), (196, 463120), (224, 405230), (245, 370496), (280, 324184), (320, 283661), (343, 264640), (392, 231560), (448, 202615), (490, 185248), (560, 162092), (686, 132320), (784, 115780), (827, 109760), (980, 92624), (1120, 81046), (1372, 66160), (1568, 57890), (1654, 54880), (1715, 52928), (1960, 46312), (2240, 40523), (2744, 33080), (3136, 28945), (3308, 27440), (3430, 26464), (3920, 23156), (4135, 21952), (5488, 16540), (5789, 15680), (6616, 13720), (6860, 13232), (7840, 11578), (8270, 10976)]