77715140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{769}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 169720320

約数和(自身を除く): 92005180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 163, 310, 326, 620, 652, 769, 815, 1538, 1630, 3076, 3260, 3845, 5053, 7690, 10106, 15380, 20212, 23839, 25265, 47678, 50530, 95356, 101060, 119195, 125347, 238390, 250694, 476780, 501388, 626735, 1253470, 2506940, 3885757, 7771514, 15543028, 19428785, 38857570, 77715140]

約数ペア:

[(1, 77715140), (2, 38857570), (4, 19428785), (5, 15543028), (10, 7771514), (20, 3885757), (31, 2506940), (62, 1253470), (124, 626735), (155, 501388), (163, 476780), (310, 250694), (326, 238390), (620, 125347), (652, 119195), (769, 101060), (815, 95356), (1538, 50530), (1630, 47678), (3076, 25265), (3260, 23839), (3845, 20212), (5053, 15380), (7690, 10106)]