About the Number

12572280

12572279 ← → 12572281

2進数表記:101111111101011001111000

漢数字表記:千二百五十七万二千二百八十

素因数分解:

2 3 × 3 3 × 5 1 × 7 1 × 1663 1

素因数の和:1690
約数の個数: 128
約数和(自身を含む): 47923200
約数和(自身を除く): 35350920

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1663, 1890, 2520, 3326, 3780, 4989, 6652, 7560, 8315, 9978, 11641, 13304, 14967, 16630, 19956, 23282, 24945, 29934, 33260, 34923, 39912, 44901, 46564, 49890, 58205, 59868, 66520, 69846, 74835, 89802, 93128, 99780, 104769, 116410, 119736, 139692, 149670, 174615, 179604, 199560, 209538, 224505, 232820, 279384, 299340, 314307, 349230, 359208, 419076, 449010, 465640, 523845, 598680, 628614, 698460, 838152, 898020, 1047690, 1257228, 1396920, 1571535, 1796040, 2095380, 2514456, 3143070, 4190760, 6286140, 12572280]

約数ペア:
[(1, 12572280), (2, 6286140), (3, 4190760), (4, 3143070), (5, 2514456), (6, 2095380), (7, 1796040), (8, 1571535), (9, 1396920), (10, 1257228), (12, 1047690), (14, 898020), (15, 838152), (18, 698460), (20, 628614), (21, 598680), (24, 523845), (27, 465640), (28, 449010), (30, 419076), (35, 359208), (36, 349230), (40, 314307), (42, 299340), (45, 279384), (54, 232820), (56, 224505), (60, 209538), (63, 199560), (70, 179604), (72, 174615), (84, 149670), (90, 139692), (105, 119736), (108, 116410), (120, 104769), (126, 99780), (135, 93128), (140, 89802), (168, 74835), (180, 69846), (189, 66520), (210, 59868), (216, 58205), (252, 49890), (270, 46564), (280, 44901), (315, 39912), (360, 34923), (378, 33260), (420, 29934), (504, 24945), (540, 23282), (630, 19956), (756, 16630), (840, 14967), (945, 13304), (1080, 11641), (1260, 9978), (1512, 8315), (1663, 7560), (1890, 6652), (2520, 4989), (3326, 3780)]

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