78544840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1303}}^1$

素因数の和:1462

約数の個数: 64

約数和(自身を含む): 194348160

約数和(自身を除く): 115803320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 137, 220, 274, 440, 548, 685, 1096, 1303, 1370, 1507, 2606, 2740, 3014, 5212, 5480, 6028, 6515, 7535, 10424, 12056, 13030, 14333, 15070, 26060, 28666, 30140, 52120, 57332, 60280, 71665, 114664, 143330, 178511, 286660, 357022, 573320, 714044, 892555, 1428088, 1785110, 1963621, 3570220, 3927242, 7140440, 7854484, 9818105, 15708968, 19636210, 39272420, 78544840]

約数ペア:

[(1, 78544840), (2, 39272420), (4, 19636210), (5, 15708968), (8, 9818105), (10, 7854484), (11, 7140440), (20, 3927242), (22, 3570220), (40, 1963621), (44, 1785110), (55, 1428088), (88, 892555), (110, 714044), (137, 573320), (220, 357022), (274, 286660), (440, 178511), (548, 143330), (685, 114664), (1096, 71665), (1303, 60280), (1370, 57332), (1507, 52120), (2606, 30140), (2740, 28666), (3014, 26060), (5212, 15070), (5480, 14333), (6028, 13030), (6515, 12056), (7535, 10424)]