78194680

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{439}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 181684800

約数和(自身を除く): 103490120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 73, 122, 146, 244, 292, 305, 365, 439, 488, 584, 610, 730, 878, 1220, 1460, 1756, 2195, 2440, 2920, 3512, 4390, 4453, 8780, 8906, 17560, 17812, 22265, 26779, 32047, 35624, 44530, 53558, 64094, 89060, 107116, 128188, 133895, 160235, 178120, 214232, 256376, 267790, 320470, 535580, 640940, 1071160, 1281880, 1954867, 3909734, 7819468, 9774335, 15638936, 19548670, 39097340, 78194680]

約数ペア:

[(1, 78194680), (2, 39097340), (4, 19548670), (5, 15638936), (8, 9774335), (10, 7819468), (20, 3909734), (40, 1954867), (61, 1281880), (73, 1071160), (122, 640940), (146, 535580), (244, 320470), (292, 267790), (305, 256376), (365, 214232), (439, 178120), (488, 160235), (584, 133895), (610, 128188), (730, 107116), (878, 89060), (1220, 64094), (1460, 53558), (1756, 44530), (2195, 35624), (2440, 32047), (2920, 26779), (3512, 22265), (4390, 17812), (4453, 17560), (8780, 8906)]