55807920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{3691}}^1$

素因数の和:3720

約数の個数: 160

約数和(自身を含む): 219747840

約数和(自身を除く): 163939920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3691, 3780, 5040, 7382, 7560, 11073, 14764, 15120, 18455, 22146, 25837, 29528, 33219, 36910, 44292, 51674, 55365, 59056, 66438, 73820, 77511, 88584, 99657, 103348, 110730, 129185, 132876, 147640, 155022, 166095, 177168, 199314, 206696, 221460, 232533, 258370, 265752, 295280, 310044, 332190, 387555, 398628, 413392, 442920, 465066, 498285, 516740, 531504, 620088, 664380, 697599, 775110, 797256, 885840, 930132, 996570, 1033480, 1162665, 1240176, 1328760, 1395198, 1550220, 1594512, 1860264, 1993140, 2066960, 2325330, 2657520, 2790396, 3100440, 3487995, 3720528, 3986280, 4650660, 5580792, 6200880, 6975990, 7972560, 9301320, 11161584, 13951980, 18602640, 27903960, 55807920]

約数ペア:

[(1, 55807920), (2, 27903960), (3, 18602640), (4, 13951980), (5, 11161584), (6, 9301320), (7, 7972560), (8, 6975990), (9, 6200880), (10, 5580792), (12, 4650660), (14, 3986280), (15, 3720528), (16, 3487995), (18, 3100440), (20, 2790396), (21, 2657520), (24, 2325330), (27, 2066960), (28, 1993140), (30, 1860264), (35, 1594512), (36, 1550220), (40, 1395198), (42, 1328760), (45, 1240176), (48, 1162665), (54, 1033480), (56, 996570), (60, 930132), (63, 885840), (70, 797256), (72, 775110), (80, 697599), (84, 664380), (90, 620088), (105, 531504), (108, 516740), (112, 498285), (120, 465066), (126, 442920), (135, 413392), (140, 398628), (144, 387555), (168, 332190), (180, 310044), (189, 295280), (210, 265752), (216, 258370), (240, 232533), (252, 221460), (270, 206696), (280, 199314), (315, 177168), (336, 166095), (360, 155022), (378, 147640), (420, 132876), (432, 129185), (504, 110730), (540, 103348), (560, 99657), (630, 88584), (720, 77511), (756, 73820), (840, 66438), (945, 59056), (1008, 55365), (1080, 51674), (1260, 44292), (1512, 36910), (1680, 33219), (1890, 29528), (2160, 25837), (2520, 22146), (3024, 18455), (3691, 15120), (3780, 14764), (5040, 11073), (7382, 7560)]