81858560

素因数分解:

$2^{12}\times 5^1\times 7^1\times {\mathrm{571}}^1$

素因数の和:607

約数の個数: 104

約数和(自身を含む): 224892096

約数和(自身を除く): 143033536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 571, 640, 896, 1024, 1120, 1142, 1280, 1792, 2048, 2240, 2284, 2560, 2855, 3584, 3997, 4096, 4480, 4568, 5120, 5710, 7168, 7994, 8960, 9136, 10240, 11420, 14336, 15988, 17920, 18272, 19985, 20480, 22840, 28672, 31976, 35840, 36544, 39970, 45680, 63952, 71680, 73088, 79940, 91360, 127904, 143360, 146176, 159880, 182720, 255808, 292352, 319760, 365440, 511616, 584704, 639520, 730880, 1023232, 1169408, 1279040, 1461760, 2046464, 2338816, 2558080, 2923520, 4092928, 5116160, 5847040, 8185856, 10232320, 11694080, 16371712, 20464640, 40929280, 81858560]

約数ペア:

[(1, 81858560), (2, 40929280), (4, 20464640), (5, 16371712), (7, 11694080), (8, 10232320), (10, 8185856), (14, 5847040), (16, 5116160), (20, 4092928), (28, 2923520), (32, 2558080), (35, 2338816), (40, 2046464), (56, 1461760), (64, 1279040), (70, 1169408), (80, 1023232), (112, 730880), (128, 639520), (140, 584704), (160, 511616), (224, 365440), (256, 319760), (280, 292352), (320, 255808), (448, 182720), (512, 159880), (560, 146176), (571, 143360), (640, 127904), (896, 91360), (1024, 79940), (1120, 73088), (1142, 71680), (1280, 63952), (1792, 45680), (2048, 39970), (2240, 36544), (2284, 35840), (2560, 31976), (2855, 28672), (3584, 22840), (3997, 20480), (4096, 19985), (4480, 18272), (4568, 17920), (5120, 15988), (5710, 14336), (7168, 11420), (7994, 10240), (8960, 9136)]