312405280

素因数分解:

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

素因数の和:1442

約数の個数: 96

約数和(自身を含む): 811581120

約数和(自身を除く): 499175840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 139, 160, 176, 220, 278, 352, 440, 556, 695, 880, 1112, 1277, 1390, 1529, 1760, 2224, 2554, 2780, 3058, 4448, 5108, 5560, 6116, 6385, 7645, 10216, 11120, 12232, 12770, 14047, 15290, 20432, 22240, 24464, 25540, 28094, 30580, 40864, 48928, 51080, 56188, 61160, 70235, 102160, 112376, 122320, 140470, 177503, 204320, 224752, 244640, 280940, 355006, 449504, 561880, 710012, 887515, 1123760, 1420024, 1775030, 1952533, 2247520, 2840048, 3550060, 3905066, 5680096, 7100120, 7810132, 9762665, 14200240, 15620264, 19525330, 28400480, 31240528, 39050660, 62481056, 78101320, 156202640, 312405280]

約数ペア:

[(1, 312405280), (2, 156202640), (4, 78101320), (5, 62481056), (8, 39050660), (10, 31240528), (11, 28400480), (16, 19525330), (20, 15620264), (22, 14200240), (32, 9762665), (40, 7810132), (44, 7100120), (55, 5680096), (80, 3905066), (88, 3550060), (110, 2840048), (139, 2247520), (160, 1952533), (176, 1775030), (220, 1420024), (278, 1123760), (352, 887515), (440, 710012), (556, 561880), (695, 449504), (880, 355006), (1112, 280940), (1277, 244640), (1390, 224752), (1529, 204320), (1760, 177503), (2224, 140470), (2554, 122320), (2780, 112376), (3058, 102160), (4448, 70235), (5108, 61160), (5560, 56188), (6116, 51080), (6385, 48928), (7645, 40864), (10216, 30580), (11120, 28094), (12232, 25540), (12770, 24464), (14047, 22240), (15290, 20432)]