78101320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1277}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 193233600

約数和(自身を除く): 115132280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1277, 1390, 1529, 2554, 2780, 3058, 5108, 5560, 6116, 6385, 7645, 10216, 12232, 12770, 14047, 15290, 25540, 28094, 30580, 51080, 56188, 61160, 70235, 112376, 140470, 177503, 280940, 355006, 561880, 710012, 887515, 1420024, 1775030, 1952533, 3550060, 3905066, 7100120, 7810132, 9762665, 15620264, 19525330, 39050660, 78101320]

約数ペア:

[(1, 78101320), (2, 39050660), (4, 19525330), (5, 15620264), (8, 9762665), (10, 7810132), (11, 7100120), (20, 3905066), (22, 3550060), (40, 1952533), (44, 1775030), (55, 1420024), (88, 887515), (110, 710012), (139, 561880), (220, 355006), (278, 280940), (440, 177503), (556, 140470), (695, 112376), (1112, 70235), (1277, 61160), (1390, 56188), (1529, 51080), (2554, 30580), (2780, 28094), (3058, 25540), (5108, 15290), (5560, 14047), (6116, 12770), (6385, 12232), (7645, 10216)]