389891880

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{17191}}^1$

素因数の和:17221

約数の個数: 160

約数和(自身を含む): 1497767040

約数和(自身を除く): 1107875160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 210, 216, 252, 270, 280, 315, 324, 360, 378, 405, 420, 504, 540, 567, 630, 648, 756, 810, 840, 945, 1080, 1134, 1260, 1512, 1620, 1890, 2268, 2520, 2835, 3240, 3780, 4536, 5670, 7560, 11340, 17191, 22680, 34382, 51573, 68764, 85955, 103146, 120337, 137528, 154719, 171910, 206292, 240674, 257865, 309438, 343820, 361011, 412584, 464157, 481348, 515730, 601685, 618876, 687640, 722022, 773595, 928314, 962696, 1031460, 1083033, 1203370, 1237752, 1392471, 1444044, 1547190, 1805055, 1856628, 2062920, 2166066, 2320785, 2406740, 2784942, 2888088, 3094380, 3249099, 3610110, 3713256, 4332132, 4641570, 4813480, 5415165, 5569884, 6188760, 6498198, 6962355, 7220220, 8664264, 9283140, 9747297, 10830330, 11139768, 12996396, 13924710, 14440440, 16245495, 18566280, 19494594, 21660660, 25992792, 27849420, 32490990, 38989188, 43321320, 48736485, 55698840, 64981980, 77978376, 97472970, 129963960, 194945940, 389891880]

約数ペア:

[(1, 389891880), (2, 194945940), (3, 129963960), (4, 97472970), (5, 77978376), (6, 64981980), (7, 55698840), (8, 48736485), (9, 43321320), (10, 38989188), (12, 32490990), (14, 27849420), (15, 25992792), (18, 21660660), (20, 19494594), (21, 18566280), (24, 16245495), (27, 14440440), (28, 13924710), (30, 12996396), (35, 11139768), (36, 10830330), (40, 9747297), (42, 9283140), (45, 8664264), (54, 7220220), (56, 6962355), (60, 6498198), (63, 6188760), (70, 5569884), (72, 5415165), (81, 4813480), (84, 4641570), (90, 4332132), (105, 3713256), (108, 3610110), (120, 3249099), (126, 3094380), (135, 2888088), (140, 2784942), (162, 2406740), (168, 2320785), (180, 2166066), (189, 2062920), (210, 1856628), (216, 1805055), (252, 1547190), (270, 1444044), (280, 1392471), (315, 1237752), (324, 1203370), (360, 1083033), (378, 1031460), (405, 962696), (420, 928314), (504, 773595), (540, 722022), (567, 687640), (630, 618876), (648, 601685), (756, 515730), (810, 481348), (840, 464157), (945, 412584), (1080, 361011), (1134, 343820), (1260, 309438), (1512, 257865), (1620, 240674), (1890, 206292), (2268, 171910), (2520, 154719), (2835, 137528), (3240, 120337), (3780, 103146), (4536, 85955), (5670, 68764), (7560, 51573), (11340, 34382), (17191, 22680)]