19826400

素因数分解:

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

素因数の和:785

約数の個数: 144

約数和(自身を含む): 70495488

約数和(自身を除く): 50669088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 300, 330, 352, 400, 440, 480, 528, 550, 600, 660, 751, 800, 825, 880, 1056, 1100, 1200, 1320, 1502, 1650, 1760, 2200, 2253, 2400, 2640, 3004, 3300, 3755, 4400, 4506, 5280, 6008, 6600, 7510, 8261, 8800, 9012, 11265, 12016, 13200, 15020, 16522, 18024, 18775, 22530, 24032, 24783, 26400, 30040, 33044, 36048, 37550, 41305, 45060, 49566, 56325, 60080, 66088, 72096, 75100, 82610, 90120, 99132, 112650, 120160, 123915, 132176, 150200, 165220, 180240, 198264, 206525, 225300, 247830, 264352, 300400, 330440, 360480, 396528, 413050, 450600, 495660, 600800, 619575, 660880, 793056, 826100, 901200, 991320, 1239150, 1321760, 1652200, 1802400, 1982640, 2478300, 3304400, 3965280, 4956600, 6608800, 9913200, 19826400]

約数ペア:

[(1, 19826400), (2, 9913200), (3, 6608800), (4, 4956600), (5, 3965280), (6, 3304400), (8, 2478300), (10, 1982640), (11, 1802400), (12, 1652200), (15, 1321760), (16, 1239150), (20, 991320), (22, 901200), (24, 826100), (25, 793056), (30, 660880), (32, 619575), (33, 600800), (40, 495660), (44, 450600), (48, 413050), (50, 396528), (55, 360480), (60, 330440), (66, 300400), (75, 264352), (80, 247830), (88, 225300), (96, 206525), (100, 198264), (110, 180240), (120, 165220), (132, 150200), (150, 132176), (160, 123915), (165, 120160), (176, 112650), (200, 99132), (220, 90120), (240, 82610), (264, 75100), (275, 72096), (300, 66088), (330, 60080), (352, 56325), (400, 49566), (440, 45060), (480, 41305), (528, 37550), (550, 36048), (600, 33044), (660, 30040), (751, 26400), (800, 24783), (825, 24032), (880, 22530), (1056, 18775), (1100, 18024), (1200, 16522), (1320, 15020), (1502, 13200), (1650, 12016), (1760, 11265), (2200, 9012), (2253, 8800), (2400, 8261), (2640, 7510), (3004, 6600), (3300, 6008), (3755, 5280), (4400, 4506)]