78431860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:353

約数の個数: 96

約数和(自身を含む): 188762112

約数和(自身を除く): 110330252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 37, 52, 62, 65, 74, 124, 130, 148, 155, 185, 260, 263, 310, 370, 403, 481, 526, 620, 740, 806, 962, 1052, 1147, 1315, 1612, 1924, 2015, 2294, 2405, 2630, 3419, 4030, 4588, 4810, 5260, 5735, 6838, 8060, 8153, 9620, 9731, 11470, 13676, 14911, 16306, 17095, 19462, 22940, 29822, 32612, 34190, 38924, 40765, 48655, 59644, 68380, 74555, 81530, 97310, 105989, 126503, 149110, 163060, 194620, 211978, 253006, 298220, 301661, 423956, 506012, 529945, 603322, 632515, 1059890, 1206644, 1265030, 1508305, 2119780, 2530060, 3016610, 3921593, 6033220, 7843186, 15686372, 19607965, 39215930, 78431860]

約数ペア:

[(1, 78431860), (2, 39215930), (4, 19607965), (5, 15686372), (10, 7843186), (13, 6033220), (20, 3921593), (26, 3016610), (31, 2530060), (37, 2119780), (52, 1508305), (62, 1265030), (65, 1206644), (74, 1059890), (124, 632515), (130, 603322), (148, 529945), (155, 506012), (185, 423956), (260, 301661), (263, 298220), (310, 253006), (370, 211978), (403, 194620), (481, 163060), (526, 149110), (620, 126503), (740, 105989), (806, 97310), (962, 81530), (1052, 74555), (1147, 68380), (1315, 59644), (1612, 48655), (1924, 40765), (2015, 38924), (2294, 34190), (2405, 32612), (2630, 29822), (3419, 22940), (4030, 19462), (4588, 17095), (4810, 16306), (5260, 14911), (5735, 13676), (6838, 11470), (8060, 9731), (8153, 9620)]