128721000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{107}}^1\times {\mathrm{401}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 406373760

約数和(自身を除く): 277652760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 107, 120, 125, 150, 200, 214, 250, 300, 321, 375, 401, 428, 500, 535, 600, 642, 750, 802, 856, 1000, 1070, 1203, 1284, 1500, 1604, 1605, 2005, 2140, 2406, 2568, 2675, 3000, 3208, 3210, 4010, 4280, 4812, 5350, 6015, 6420, 8020, 8025, 9624, 10025, 10700, 12030, 12840, 13375, 16040, 16050, 20050, 21400, 24060, 26750, 30075, 32100, 40100, 40125, 42907, 48120, 50125, 53500, 60150, 64200, 80200, 80250, 85814, 100250, 107000, 120300, 128721, 150375, 160500, 171628, 200500, 214535, 240600, 257442, 300750, 321000, 343256, 401000, 429070, 514884, 601500, 643605, 858140, 1029768, 1072675, 1203000, 1287210, 1716280, 2145350, 2574420, 3218025, 4290700, 5148840, 5363375, 6436050, 8581400, 10726750, 12872100, 16090125, 21453500, 25744200, 32180250, 42907000, 64360500, 128721000]

約数ペア:

[(1, 128721000), (2, 64360500), (3, 42907000), (4, 32180250), (5, 25744200), (6, 21453500), (8, 16090125), (10, 12872100), (12, 10726750), (15, 8581400), (20, 6436050), (24, 5363375), (25, 5148840), (30, 4290700), (40, 3218025), (50, 2574420), (60, 2145350), (75, 1716280), (100, 1287210), (107, 1203000), (120, 1072675), (125, 1029768), (150, 858140), (200, 643605), (214, 601500), (250, 514884), (300, 429070), (321, 401000), (375, 343256), (401, 321000), (428, 300750), (500, 257442), (535, 240600), (600, 214535), (642, 200500), (750, 171628), (802, 160500), (856, 150375), (1000, 128721), (1070, 120300), (1203, 107000), (1284, 100250), (1500, 85814), (1604, 80250), (1605, 80200), (2005, 64200), (2140, 60150), (2406, 53500), (2568, 50125), (2675, 48120), (3000, 42907), (3208, 40125), (3210, 40100), (4010, 32100), (4280, 30075), (4812, 26750), (5350, 24060), (6015, 21400), (6420, 20050), (8020, 16050), (8025, 16040), (9624, 13375), (10025, 12840), (10700, 12030)]