15721281500

素因数分解:

$2^2\times 5^3\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{11969}}^1$

素因数の和:12096

約数の個数: 96

約数和(自身を含む): 35762912640

約数和(自身を除く): 20041631140

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 71, 74, 100, 125, 142, 148, 185, 250, 284, 355, 370, 500, 710, 740, 925, 1420, 1775, 1850, 2627, 3550, 3700, 4625, 5254, 7100, 8875, 9250, 10508, 11969, 13135, 17750, 18500, 23938, 26270, 35500, 47876, 52540, 59845, 65675, 119690, 131350, 239380, 262700, 299225, 328375, 442853, 598450, 656750, 849799, 885706, 1196900, 1313500, 1496125, 1699598, 1771412, 2214265, 2992250, 3399196, 4248995, 4428530, 5984500, 8497990, 8857060, 11071325, 16995980, 21244975, 22142650, 31442563, 42489950, 44285300, 55356625, 62885126, 84979900, 106224875, 110713250, 125770252, 157212815, 212449750, 221426500, 314425630, 424899500, 628851260, 786064075, 1572128150, 3144256300, 3930320375, 7860640750, 15721281500]

約数ペア:

[(1, 15721281500), (2, 7860640750), (4, 3930320375), (5, 3144256300), (10, 1572128150), (20, 786064075), (25, 628851260), (37, 424899500), (50, 314425630), (71, 221426500), (74, 212449750), (100, 157212815), (125, 125770252), (142, 110713250), (148, 106224875), (185, 84979900), (250, 62885126), (284, 55356625), (355, 44285300), (370, 42489950), (500, 31442563), (710, 22142650), (740, 21244975), (925, 16995980), (1420, 11071325), (1775, 8857060), (1850, 8497990), (2627, 5984500), (3550, 4428530), (3700, 4248995), (4625, 3399196), (5254, 2992250), (7100, 2214265), (8875, 1771412), (9250, 1699598), (10508, 1496125), (11969, 1313500), (13135, 1196900), (17750, 885706), (18500, 849799), (23938, 656750), (26270, 598450), (35500, 442853), (47876, 328375), (52540, 299225), (59845, 262700), (65675, 239380), (119690, 131350)]