90784960

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{40529}}^1$

素因数の和:40553

約数の個数: 56

約数和(自身を含む): 247070880

約数和(自身を除く): 156285920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 40529, 81058, 162116, 202645, 283703, 324232, 405290, 567406, 648464, 810580, 1134812, 1296928, 1418515, 1621160, 2269624, 2593856, 2837030, 3242320, 4539248, 5674060, 6484640, 9078496, 11348120, 12969280, 18156992, 22696240, 45392480, 90784960]

約数ペア:

[(1, 90784960), (2, 45392480), (4, 22696240), (5, 18156992), (7, 12969280), (8, 11348120), (10, 9078496), (14, 6484640), (16, 5674060), (20, 4539248), (28, 3242320), (32, 2837030), (35, 2593856), (40, 2269624), (56, 1621160), (64, 1418515), (70, 1296928), (80, 1134812), (112, 810580), (140, 648464), (160, 567406), (224, 405290), (280, 324232), (320, 283703), (448, 202645), (560, 162116), (1120, 81058), (2240, 40529)]