16820400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 120

約数和(自身を含む): 54800064

約数和(自身を除く): 37979664

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 100, 107, 120, 131, 150, 200, 214, 240, 262, 300, 321, 393, 400, 428, 524, 535, 600, 642, 655, 786, 856, 1048, 1070, 1200, 1284, 1310, 1572, 1605, 1712, 1965, 2096, 2140, 2568, 2620, 2675, 3144, 3210, 3275, 3930, 4280, 5136, 5240, 5350, 6288, 6420, 6550, 7860, 8025, 8560, 9825, 10480, 10700, 12840, 13100, 14017, 15720, 16050, 19650, 21400, 25680, 26200, 28034, 31440, 32100, 39300, 42051, 42800, 52400, 56068, 64200, 70085, 78600, 84102, 112136, 128400, 140170, 157200, 168204, 210255, 224272, 280340, 336408, 350425, 420510, 560680, 672816, 700850, 841020, 1051275, 1121360, 1401700, 1682040, 2102550, 2803400, 3364080, 4205100, 5606800, 8410200, 16820400]

約数ペア:

[(1, 16820400), (2, 8410200), (3, 5606800), (4, 4205100), (5, 3364080), (6, 2803400), (8, 2102550), (10, 1682040), (12, 1401700), (15, 1121360), (16, 1051275), (20, 841020), (24, 700850), (25, 672816), (30, 560680), (40, 420510), (48, 350425), (50, 336408), (60, 280340), (75, 224272), (80, 210255), (100, 168204), (107, 157200), (120, 140170), (131, 128400), (150, 112136), (200, 84102), (214, 78600), (240, 70085), (262, 64200), (300, 56068), (321, 52400), (393, 42800), (400, 42051), (428, 39300), (524, 32100), (535, 31440), (600, 28034), (642, 26200), (655, 25680), (786, 21400), (856, 19650), (1048, 16050), (1070, 15720), (1200, 14017), (1284, 13100), (1310, 12840), (1572, 10700), (1605, 10480), (1712, 9825), (1965, 8560), (2096, 8025), (2140, 7860), (2568, 6550), (2620, 6420), (2675, 6288), (3144, 5350), (3210, 5240), (3275, 5136), (3930, 4280)]