About the Number

12497280

12497279 ← → 12497281

2進数表記:101111101011000110000000

漢数字表記:千二百四十九万七千二百八十

素因数分解:

2 7 × 3 1 × 5 1 × 23 1 × 283 1

素因数の和:328
約数の個数: 128
約数和(自身を含む): 41713920
約数和(自身を除く): 29216640

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 283, 320, 345, 368, 384, 460, 480, 552, 566, 640, 690, 736, 849, 920, 960, 1104, 1132, 1380, 1415, 1472, 1698, 1840, 1920, 2208, 2264, 2760, 2830, 2944, 3396, 3680, 4245, 4416, 4528, 5520, 5660, 6509, 6792, 7360, 8490, 8832, 9056, 11040, 11320, 13018, 13584, 14720, 16980, 18112, 19527, 22080, 22640, 26036, 27168, 32545, 33960, 36224, 39054, 44160, 45280, 52072, 54336, 65090, 67920, 78108, 90560, 97635, 104144, 108672, 130180, 135840, 156216, 181120, 195270, 208288, 260360, 271680, 312432, 390540, 416576, 520720, 543360, 624864, 781080, 833152, 1041440, 1249728, 1562160, 2082880, 2499456, 3124320, 4165760, 6248640, 12497280]

約数ペア:
[(1, 12497280), (2, 6248640), (3, 4165760), (4, 3124320), (5, 2499456), (6, 2082880), (8, 1562160), (10, 1249728), (12, 1041440), (15, 833152), (16, 781080), (20, 624864), (23, 543360), (24, 520720), (30, 416576), (32, 390540), (40, 312432), (46, 271680), (48, 260360), (60, 208288), (64, 195270), (69, 181120), (80, 156216), (92, 135840), (96, 130180), (115, 108672), (120, 104144), (128, 97635), (138, 90560), (160, 78108), (184, 67920), (192, 65090), (230, 54336), (240, 52072), (276, 45280), (283, 44160), (320, 39054), (345, 36224), (368, 33960), (384, 32545), (460, 27168), (480, 26036), (552, 22640), (566, 22080), (640, 19527), (690, 18112), (736, 16980), (849, 14720), (920, 13584), (960, 13018), (1104, 11320), (1132, 11040), (1380, 9056), (1415, 8832), (1472, 8490), (1698, 7360), (1840, 6792), (1920, 6509), (2208, 5660), (2264, 5520), (2760, 4528), (2830, 4416), (2944, 4245), (3396, 3680)]

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