680120

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{347}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 1785240

約数和(自身を除く): 1105120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 347, 392, 490, 694, 980, 1388, 1735, 1960, 2429, 2776, 3470, 4858, 6940, 9716, 12145, 13880, 17003, 19432, 24290, 34006, 48580, 68012, 85015, 97160, 136024, 170030, 340060, 680120]

約数ペア:

[(1, 680120), (2, 340060), (4, 170030), (5, 136024), (7, 97160), (8, 85015), (10, 68012), (14, 48580), (20, 34006), (28, 24290), (35, 19432), (40, 17003), (49, 13880), (56, 12145), (70, 9716), (98, 6940), (140, 4858), (196, 3470), (245, 2776), (280, 2429), (347, 1960), (392, 1735), (490, 1388), (694, 980)]