80420400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 180

約数和(自身を含む): 283341240

約数和(自身を除く): 202920840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 48, 50, 60, 72, 75, 80, 89, 90, 100, 120, 144, 150, 178, 180, 200, 225, 240, 251, 267, 300, 356, 360, 400, 445, 450, 502, 534, 600, 712, 720, 753, 801, 890, 900, 1004, 1068, 1200, 1255, 1335, 1424, 1506, 1602, 1780, 1800, 2008, 2136, 2225, 2259, 2510, 2670, 3012, 3204, 3560, 3600, 3765, 4005, 4016, 4272, 4450, 4518, 5020, 5340, 6024, 6275, 6408, 6675, 7120, 7530, 8010, 8900, 9036, 10040, 10680, 11295, 12048, 12550, 12816, 13350, 15060, 16020, 17800, 18072, 18825, 20025, 20080, 21360, 22339, 22590, 25100, 26700, 30120, 32040, 35600, 36144, 37650, 40050, 44678, 45180, 50200, 53400, 56475, 60240, 64080, 67017, 75300, 80100, 89356, 90360, 100400, 106800, 111695, 112950, 134034, 150600, 160200, 178712, 180720, 201051, 223390, 225900, 268068, 301200, 320400, 335085, 357424, 402102, 446780, 451800, 536136, 558475, 670170, 804204, 893560, 903600, 1005255, 1072272, 1116950, 1340340, 1608408, 1675425, 1787120, 2010510, 2233900, 2680680, 3216816, 3350850, 4021020, 4467800, 5026275, 5361360, 6701700, 8042040, 8935600, 10052550, 13403400, 16084080, 20105100, 26806800, 40210200, 80420400]

約数ペア:

[(1, 80420400), (2, 40210200), (3, 26806800), (4, 20105100), (5, 16084080), (6, 13403400), (8, 10052550), (9, 8935600), (10, 8042040), (12, 6701700), (15, 5361360), (16, 5026275), (18, 4467800), (20, 4021020), (24, 3350850), (25, 3216816), (30, 2680680), (36, 2233900), (40, 2010510), (45, 1787120), (48, 1675425), (50, 1608408), (60, 1340340), (72, 1116950), (75, 1072272), (80, 1005255), (89, 903600), (90, 893560), (100, 804204), (120, 670170), (144, 558475), (150, 536136), (178, 451800), (180, 446780), (200, 402102), (225, 357424), (240, 335085), (251, 320400), (267, 301200), (300, 268068), (356, 225900), (360, 223390), (400, 201051), (445, 180720), (450, 178712), (502, 160200), (534, 150600), (600, 134034), (712, 112950), (720, 111695), (753, 106800), (801, 100400), (890, 90360), (900, 89356), (1004, 80100), (1068, 75300), (1200, 67017), (1255, 64080), (1335, 60240), (1424, 56475), (1506, 53400), (1602, 50200), (1780, 45180), (1800, 44678), (2008, 40050), (2136, 37650), (2225, 36144), (2259, 35600), (2510, 32040), (2670, 30120), (3012, 26700), (3204, 25100), (3560, 22590), (3600, 22339), (3765, 21360), (4005, 20080), (4016, 20025), (4272, 18825), (4450, 18072), (4518, 17800), (5020, 16020), (5340, 15060), (6024, 13350), (6275, 12816), (6408, 12550), (6675, 12048), (7120, 11295), (7530, 10680), (8010, 10040), (8900, 9036)]