About the Number

12815040

12815039 ← → 12815041

2進数表記:110000111000101011000000

漢数字表記:千二百八十一万五千四十

素因数分解:

2 6 × 3 1 × 5 1 × 7 1 × 1907 1

素因数の和:1934
約数の個数: 112
約数和(自身を含む): 46524672
約数和(自身を除く): 33709632

約数列:
[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 1907, 2240, 3360, 3814, 5721, 6720, 7628, 9535, 11442, 13349, 15256, 19070, 22884, 26698, 28605, 30512, 38140, 40047, 45768, 53396, 57210, 61024, 66745, 76280, 80094, 91536, 106792, 114420, 122048, 133490, 152560, 160188, 183072, 200235, 213584, 228840, 266980, 305120, 320376, 366144, 400470, 427168, 457680, 533960, 610240, 640752, 800940, 854336, 915360, 1067920, 1281504, 1601880, 1830720, 2135840, 2563008, 3203760, 4271680, 6407520, 12815040]

約数ペア:
[(1, 12815040), (2, 6407520), (3, 4271680), (4, 3203760), (5, 2563008), (6, 2135840), (7, 1830720), (8, 1601880), (10, 1281504), (12, 1067920), (14, 915360), (15, 854336), (16, 800940), (20, 640752), (21, 610240), (24, 533960), (28, 457680), (30, 427168), (32, 400470), (35, 366144), (40, 320376), (42, 305120), (48, 266980), (56, 228840), (60, 213584), (64, 200235), (70, 183072), (80, 160188), (84, 152560), (96, 133490), (105, 122048), (112, 114420), (120, 106792), (140, 91536), (160, 80094), (168, 76280), (192, 66745), (210, 61024), (224, 57210), (240, 53396), (280, 45768), (320, 40047), (336, 38140), (420, 30512), (448, 28605), (480, 26698), (560, 22884), (672, 19070), (840, 15256), (960, 13349), (1120, 11442), (1344, 9535), (1680, 7628), (1907, 6720), (2240, 5721), (3360, 3814)]

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