68349080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 163296000

約数和(自身を除く): 94946920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 139, 152, 190, 278, 380, 556, 647, 695, 760, 1112, 1294, 1390, 2588, 2641, 2780, 3235, 5176, 5282, 5560, 6470, 10564, 12293, 12940, 13205, 21128, 24586, 25880, 26410, 49172, 52820, 61465, 89933, 98344, 105640, 122930, 179866, 245860, 359732, 449665, 491720, 719464, 899330, 1708727, 1798660, 3417454, 3597320, 6834908, 8543635, 13669816, 17087270, 34174540, 68349080]

約数ペア:

[(1, 68349080), (2, 34174540), (4, 17087270), (5, 13669816), (8, 8543635), (10, 6834908), (19, 3597320), (20, 3417454), (38, 1798660), (40, 1708727), (76, 899330), (95, 719464), (139, 491720), (152, 449665), (190, 359732), (278, 245860), (380, 179866), (556, 122930), (647, 105640), (695, 98344), (760, 89933), (1112, 61465), (1294, 52820), (1390, 49172), (2588, 26410), (2641, 25880), (2780, 24586), (3235, 21128), (5176, 13205), (5282, 12940), (5560, 12293), (6470, 10564)]