15861120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{751}}^1$

素因数の和:784

約数の個数: 128

約数和(自身を含む): 55226880

約数和(自身を除く): 39365760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 751, 880, 960, 1056, 1320, 1408, 1502, 1760, 1920, 2112, 2253, 2640, 3004, 3520, 3755, 4224, 4506, 5280, 6008, 7040, 7510, 8261, 9012, 10560, 11265, 12016, 15020, 16522, 18024, 21120, 22530, 24032, 24783, 30040, 33044, 36048, 41305, 45060, 48064, 49566, 60080, 66088, 72096, 82610, 90120, 96128, 99132, 120160, 123915, 132176, 144192, 165220, 180240, 198264, 240320, 247830, 264352, 288384, 330440, 360480, 396528, 480640, 495660, 528704, 660880, 720960, 793056, 991320, 1057408, 1321760, 1441920, 1586112, 1982640, 2643520, 3172224, 3965280, 5287040, 7930560, 15861120]

約数ペア:

[(1, 15861120), (2, 7930560), (3, 5287040), (4, 3965280), (5, 3172224), (6, 2643520), (8, 1982640), (10, 1586112), (11, 1441920), (12, 1321760), (15, 1057408), (16, 991320), (20, 793056), (22, 720960), (24, 660880), (30, 528704), (32, 495660), (33, 480640), (40, 396528), (44, 360480), (48, 330440), (55, 288384), (60, 264352), (64, 247830), (66, 240320), (80, 198264), (88, 180240), (96, 165220), (110, 144192), (120, 132176), (128, 123915), (132, 120160), (160, 99132), (165, 96128), (176, 90120), (192, 82610), (220, 72096), (240, 66088), (264, 60080), (320, 49566), (330, 48064), (352, 45060), (384, 41305), (440, 36048), (480, 33044), (528, 30040), (640, 24783), (660, 24032), (704, 22530), (751, 21120), (880, 18024), (960, 16522), (1056, 15020), (1320, 12016), (1408, 11265), (1502, 10560), (1760, 9012), (1920, 8261), (2112, 7510), (2253, 7040), (2640, 6008), (3004, 5280), (3520, 4506), (3755, 4224)]