21920788080

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{10148513}}^1$

素因数の和:10148535

約数の個数: 80

約数和(自身を含む): 75504944160

約数和(自身を除く): 53584156080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 10148513, 20297026, 30445539, 40594052, 50742565, 60891078, 81188104, 91336617, 101485130, 121782156, 152227695, 162376208, 182673234, 202970260, 243564312, 274009851, 304455390, 365346468, 405940520, 456683085, 487128624, 548019702, 608910780, 730692936, 811881040, 913366170, 1096039404, 1217821560, 1370049255, 1461385872, 1826732340, 2192078808, 2435643120, 2740098510, 3653464680, 4384157616, 5480197020, 7306929360, 10960394040, 21920788080]

約数ペア:

[(1, 21920788080), (2, 10960394040), (3, 7306929360), (4, 5480197020), (5, 4384157616), (6, 3653464680), (8, 2740098510), (9, 2435643120), (10, 2192078808), (12, 1826732340), (15, 1461385872), (16, 1370049255), (18, 1217821560), (20, 1096039404), (24, 913366170), (27, 811881040), (30, 730692936), (36, 608910780), (40, 548019702), (45, 487128624), (48, 456683085), (54, 405940520), (60, 365346468), (72, 304455390), (80, 274009851), (90, 243564312), (108, 202970260), (120, 182673234), (135, 162376208), (144, 152227695), (180, 121782156), (216, 101485130), (240, 91336617), (270, 81188104), (360, 60891078), (432, 50742565), (540, 40594052), (720, 30445539), (1080, 20297026), (2160, 10148513)]