31359720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1$

素因数の和:1067

約数の個数: 128

約数和(自身を含む): 110534400

約数和(自身を除く): 79174680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1009, 1036, 1110, 1295, 1480, 1554, 2018, 2072, 2220, 2590, 3027, 3108, 3885, 4036, 4440, 5045, 5180, 6054, 6216, 7063, 7770, 8072, 10090, 10360, 12108, 14126, 15135, 15540, 20180, 21189, 24216, 28252, 30270, 31080, 35315, 37333, 40360, 42378, 56504, 60540, 70630, 74666, 84756, 105945, 111999, 121080, 141260, 149332, 169512, 186665, 211890, 223998, 261331, 282520, 298664, 373330, 423780, 447996, 522662, 559995, 746660, 783993, 847560, 895992, 1045324, 1119990, 1306655, 1493320, 1567986, 2090648, 2239980, 2613310, 3135972, 3919965, 4479960, 5226620, 6271944, 7839930, 10453240, 15679860, 31359720]

約数ペア:

[(1, 31359720), (2, 15679860), (3, 10453240), (4, 7839930), (5, 6271944), (6, 5226620), (7, 4479960), (8, 3919965), (10, 3135972), (12, 2613310), (14, 2239980), (15, 2090648), (20, 1567986), (21, 1493320), (24, 1306655), (28, 1119990), (30, 1045324), (35, 895992), (37, 847560), (40, 783993), (42, 746660), (56, 559995), (60, 522662), (70, 447996), (74, 423780), (84, 373330), (105, 298664), (111, 282520), (120, 261331), (140, 223998), (148, 211890), (168, 186665), (185, 169512), (210, 149332), (222, 141260), (259, 121080), (280, 111999), (296, 105945), (370, 84756), (420, 74666), (444, 70630), (518, 60540), (555, 56504), (740, 42378), (777, 40360), (840, 37333), (888, 35315), (1009, 31080), (1036, 30270), (1110, 28252), (1295, 24216), (1480, 21189), (1554, 20180), (2018, 15540), (2072, 15135), (2220, 14126), (2590, 12108), (3027, 10360), (3108, 10090), (3885, 8072), (4036, 7770), (4440, 7063), (5045, 6216), (5180, 6054)]