28556640

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2833}}^1$

素因数の和:2861

約数の個数: 144

約数和(自身を含む): 111410208

約数和(自身を除く): 82853568

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 2833, 3360, 5040, 5666, 8499, 10080, 11332, 14165, 16998, 19831, 22664, 25497, 28330, 33996, 39662, 42495, 45328, 50994, 56660, 59493, 67992, 79324, 84990, 90656, 99155, 101988, 113320, 118986, 127485, 135984, 158648, 169980, 178479, 198310, 203976, 226640, 237972, 254970, 271968, 297465, 317296, 339960, 356958, 396620, 407952, 453280, 475944, 509940, 594930, 634592, 679920, 713916, 793240, 815904, 892395, 951888, 1019880, 1189860, 1359840, 1427832, 1586480, 1784790, 1903776, 2039760, 2379720, 2855664, 3172960, 3569580, 4079520, 4759440, 5711328, 7139160, 9518880, 14278320, 28556640]

約数ペア:

[(1, 28556640), (2, 14278320), (3, 9518880), (4, 7139160), (5, 5711328), (6, 4759440), (7, 4079520), (8, 3569580), (9, 3172960), (10, 2855664), (12, 2379720), (14, 2039760), (15, 1903776), (16, 1784790), (18, 1586480), (20, 1427832), (21, 1359840), (24, 1189860), (28, 1019880), (30, 951888), (32, 892395), (35, 815904), (36, 793240), (40, 713916), (42, 679920), (45, 634592), (48, 594930), (56, 509940), (60, 475944), (63, 453280), (70, 407952), (72, 396620), (80, 356958), (84, 339960), (90, 317296), (96, 297465), (105, 271968), (112, 254970), (120, 237972), (126, 226640), (140, 203976), (144, 198310), (160, 178479), (168, 169980), (180, 158648), (210, 135984), (224, 127485), (240, 118986), (252, 113320), (280, 101988), (288, 99155), (315, 90656), (336, 84990), (360, 79324), (420, 67992), (480, 59493), (504, 56660), (560, 50994), (630, 45328), (672, 42495), (720, 39662), (840, 33996), (1008, 28330), (1120, 25497), (1260, 22664), (1440, 19831), (1680, 16998), (2016, 14165), (2520, 11332), (2833, 10080), (3360, 8499), (5040, 5666)]