68809720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{35107}}^1$

素因数の和:35132

約数の個数: 48

約数和(自身を含む): 180104040

約数和(自身を除く): 111294320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 35107, 70214, 140428, 175535, 245749, 280856, 351070, 491498, 702140, 982996, 1228745, 1404280, 1720243, 1965992, 2457490, 3440486, 4914980, 6880972, 8601215, 9829960, 13761944, 17202430, 34404860, 68809720]

約数ペア:

[(1, 68809720), (2, 34404860), (4, 17202430), (5, 13761944), (7, 9829960), (8, 8601215), (10, 6880972), (14, 4914980), (20, 3440486), (28, 2457490), (35, 1965992), (40, 1720243), (49, 1404280), (56, 1228745), (70, 982996), (98, 702140), (140, 491498), (196, 351070), (245, 280856), (280, 245749), (392, 175535), (490, 140428), (980, 70214), (1960, 35107)]