680321640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{333491}}^1$

素因数の和:333522

約数の個数: 64

約数和(自身を含む): 2161028160

約数和(自身を除く): 1480706520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 333491, 666982, 1000473, 1333964, 1667455, 2000946, 2667928, 3334910, 4001892, 5002365, 5669347, 6669820, 8003784, 10004730, 11338694, 13339640, 17008041, 20009460, 22677388, 28346735, 34016082, 40018920, 45354776, 56693470, 68032164, 85040205, 113386940, 136064328, 170080410, 226773880, 340160820, 680321640]

約数ペア:

[(1, 680321640), (2, 340160820), (3, 226773880), (4, 170080410), (5, 136064328), (6, 113386940), (8, 85040205), (10, 68032164), (12, 56693470), (15, 45354776), (17, 40018920), (20, 34016082), (24, 28346735), (30, 22677388), (34, 20009460), (40, 17008041), (51, 13339640), (60, 11338694), (68, 10004730), (85, 8003784), (102, 6669820), (120, 5669347), (136, 5002365), (170, 4001892), (204, 3334910), (255, 2667928), (340, 2000946), (408, 1667455), (510, 1333964), (680, 1000473), (1020, 666982), (2040, 333491)]