257665980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 192

約数和(自身を含む): 863654400

約数和(自身を除く): 605988420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 33, 39, 44, 52, 55, 59, 60, 65, 66, 78, 110, 118, 130, 132, 143, 156, 165, 177, 195, 220, 236, 260, 286, 295, 330, 354, 390, 429, 509, 572, 590, 649, 660, 708, 715, 767, 780, 858, 885, 1018, 1180, 1298, 1430, 1527, 1534, 1716, 1770, 1947, 2036, 2145, 2301, 2545, 2596, 2860, 3054, 3068, 3245, 3540, 3835, 3894, 4290, 4602, 5090, 5599, 6108, 6490, 6617, 7635, 7670, 7788, 8437, 8580, 9204, 9735, 10180, 11198, 11505, 12980, 13234, 15270, 15340, 16797, 16874, 19470, 19851, 22396, 23010, 25311, 26468, 27995, 30031, 30540, 33085, 33594, 33748, 38940, 39702, 42185, 46020, 50622, 55990, 60062, 66170, 67188, 72787, 79404, 83985, 84370, 90093, 99255, 101244, 111980, 120124, 126555, 132340, 145574, 150155, 167970, 168740, 180186, 198510, 218361, 253110, 291148, 300310, 330341, 335940, 360372, 363935, 390403, 397020, 436722, 450465, 506220, 600620, 660682, 727870, 780806, 873444, 900930, 991023, 1091805, 1171209, 1321364, 1455740, 1561612, 1651705, 1801860, 1952015, 1982046, 2183610, 2342418, 3303410, 3904030, 3964092, 4294433, 4367220, 4684836, 4955115, 5856045, 6606820, 7808060, 8588866, 9910230, 11712090, 12883299, 17177732, 19820460, 21472165, 23424180, 25766598, 42944330, 51533196, 64416495, 85888660, 128832990, 257665980]

約数ペア:

[(1, 257665980), (2, 128832990), (3, 85888660), (4, 64416495), (5, 51533196), (6, 42944330), (10, 25766598), (11, 23424180), (12, 21472165), (13, 19820460), (15, 17177732), (20, 12883299), (22, 11712090), (26, 9910230), (30, 8588866), (33, 7808060), (39, 6606820), (44, 5856045), (52, 4955115), (55, 4684836), (59, 4367220), (60, 4294433), (65, 3964092), (66, 3904030), (78, 3303410), (110, 2342418), (118, 2183610), (130, 1982046), (132, 1952015), (143, 1801860), (156, 1651705), (165, 1561612), (177, 1455740), (195, 1321364), (220, 1171209), (236, 1091805), (260, 991023), (286, 900930), (295, 873444), (330, 780806), (354, 727870), (390, 660682), (429, 600620), (509, 506220), (572, 450465), (590, 436722), (649, 397020), (660, 390403), (708, 363935), (715, 360372), (767, 335940), (780, 330341), (858, 300310), (885, 291148), (1018, 253110), (1180, 218361), (1298, 198510), (1430, 180186), (1527, 168740), (1534, 167970), (1716, 150155), (1770, 145574), (1947, 132340), (2036, 126555), (2145, 120124), (2301, 111980), (2545, 101244), (2596, 99255), (2860, 90093), (3054, 84370), (3068, 83985), (3245, 79404), (3540, 72787), (3835, 67188), (3894, 66170), (4290, 60062), (4602, 55990), (5090, 50622), (5599, 46020), (6108, 42185), (6490, 39702), (6617, 38940), (7635, 33748), (7670, 33594), (7788, 33085), (8437, 30540), (8580, 30031), (9204, 27995), (9735, 26468), (10180, 25311), (11198, 23010), (11505, 22396), (12980, 19851), (13234, 19470), (15270, 16874), (15340, 16797)]