About the Number

30800640

30800639 ← → 30800641

2進数表記:1110101011111101100000000

漢数字表記:三千八十万六百四十

素因数分解:

2 8 × 3 1 × 5 1 × 13 1 × 617 1

素因数の和:654
約数の個数: 144
約数和(自身を含む): 106108128
約数和(自身を除く): 75307488

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 617, 624, 640, 768, 780, 832, 960, 1040, 1234, 1248, 1280, 1560, 1664, 1851, 1920, 2080, 2468, 2496, 3085, 3120, 3328, 3702, 3840, 4160, 4936, 4992, 6170, 6240, 7404, 8021, 8320, 9255, 9872, 9984, 12340, 12480, 14808, 16042, 16640, 18510, 19744, 24063, 24680, 24960, 29616, 32084, 37020, 39488, 40105, 48126, 49360, 49920, 59232, 64168, 74040, 78976, 80210, 96252, 98720, 118464, 120315, 128336, 148080, 157952, 160420, 192504, 197440, 236928, 240630, 256672, 296160, 320840, 385008, 394880, 473856, 481260, 513344, 592320, 641680, 770016, 789760, 962520, 1026688, 1184640, 1283360, 1540032, 1925040, 2053376, 2369280, 2566720, 3080064, 3850080, 5133440, 6160128, 7700160, 10266880, 15400320, 30800640]

約数ペア:
[(1, 30800640), (2, 15400320), (3, 10266880), (4, 7700160), (5, 6160128), (6, 5133440), (8, 3850080), (10, 3080064), (12, 2566720), (13, 2369280), (15, 2053376), (16, 1925040), (20, 1540032), (24, 1283360), (26, 1184640), (30, 1026688), (32, 962520), (39, 789760), (40, 770016), (48, 641680), (52, 592320), (60, 513344), (64, 481260), (65, 473856), (78, 394880), (80, 385008), (96, 320840), (104, 296160), (120, 256672), (128, 240630), (130, 236928), (156, 197440), (160, 192504), (192, 160420), (195, 157952), (208, 148080), (240, 128336), (256, 120315), (260, 118464), (312, 98720), (320, 96252), (384, 80210), (390, 78976), (416, 74040), (480, 64168), (520, 59232), (617, 49920), (624, 49360), (640, 48126), (768, 40105), (780, 39488), (832, 37020), (960, 32084), (1040, 29616), (1234, 24960), (1248, 24680), (1280, 24063), (1560, 19744), (1664, 18510), (1851, 16640), (1920, 16042), (2080, 14808), (2468, 12480), (2496, 12340), (3085, 9984), (3120, 9872), (3328, 9255), (3702, 8320), (3840, 8021), (4160, 7404), (4936, 6240), (4992, 6170)]

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