About the Number

31980480

31980479 ← → 31980481

2進数表記:1111001111111101111000000

漢数字表記:三千百九十八万四百八十

素因数分解:

2 6 × 3 1 × 5 1 × 7 1 × 4759 1

素因数の和:4786
約数の個数: 112
約数和(自身を含む): 116067840
約数和(自身を除く): 84087360

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, 2240, 3360, 4759, 6720, 9518, 14277, 19036, 23795, 28554, 33313, 38072, 47590, 57108, 66626, 71385, 76144, 95180, 99939, 114216, 133252, 142770, 152288, 166565, 190360, 199878, 228432, 266504, 285540, 304576, 333130, 380720, 399756, 456864, 499695, 533008, 571080, 666260, 761440, 799512, 913728, 999390, 1066016, 1142160, 1332520, 1522880, 1599024, 1998780, 2132032, 2284320, 2665040, 3198048, 3997560, 4568640, 5330080, 6396096, 7995120, 10660160, 15990240, 31980480]

約数ペア:
[(1, 31980480), (2, 15990240), (3, 10660160), (4, 7995120), (5, 6396096), (6, 5330080), (7, 4568640), (8, 3997560), (10, 3198048), (12, 2665040), (14, 2284320), (15, 2132032), (16, 1998780), (20, 1599024), (21, 1522880), (24, 1332520), (28, 1142160), (30, 1066016), (32, 999390), (35, 913728), (40, 799512), (42, 761440), (48, 666260), (56, 571080), (60, 533008), (64, 499695), (70, 456864), (80, 399756), (84, 380720), (96, 333130), (105, 304576), (112, 285540), (120, 266504), (140, 228432), (160, 199878), (168, 190360), (192, 166565), (210, 152288), (224, 142770), (240, 133252), (280, 114216), (320, 99939), (336, 95180), (420, 76144), (448, 71385), (480, 66626), (560, 57108), (672, 47590), (840, 38072), (960, 33313), (1120, 28554), (1344, 23795), (1680, 19036), (2240, 14277), (3360, 9518), (4759, 6720)]

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