261847170

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11779}}^1$

素因数の和:11824

約数の個数: 96

約数和(自身を含む): 771825600

約数和(自身を除く): 509978430

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 26, 30, 38, 39, 45, 57, 65, 78, 90, 95, 114, 117, 130, 171, 190, 195, 234, 247, 285, 342, 390, 494, 570, 585, 741, 855, 1170, 1235, 1482, 1710, 2223, 2470, 3705, 4446, 7410, 11115, 11779, 22230, 23558, 35337, 58895, 70674, 106011, 117790, 153127, 176685, 212022, 223801, 306254, 353370, 447602, 459381, 530055, 671403, 765635, 918762, 1060110, 1119005, 1342806, 1378143, 1531270, 2014209, 2238010, 2296905, 2756286, 2909413, 3357015, 4028418, 4593810, 5818826, 6714030, 6890715, 8728239, 10071045, 13781430, 14547065, 17456478, 20142090, 26184717, 29094130, 43641195, 52369434, 87282390, 130923585, 261847170]

約数ペア:

[(1, 261847170), (2, 130923585), (3, 87282390), (5, 52369434), (6, 43641195), (9, 29094130), (10, 26184717), (13, 20142090), (15, 17456478), (18, 14547065), (19, 13781430), (26, 10071045), (30, 8728239), (38, 6890715), (39, 6714030), (45, 5818826), (57, 4593810), (65, 4028418), (78, 3357015), (90, 2909413), (95, 2756286), (114, 2296905), (117, 2238010), (130, 2014209), (171, 1531270), (190, 1378143), (195, 1342806), (234, 1119005), (247, 1060110), (285, 918762), (342, 765635), (390, 671403), (494, 530055), (570, 459381), (585, 447602), (741, 353370), (855, 306254), (1170, 223801), (1235, 212022), (1482, 176685), (1710, 153127), (2223, 117790), (2470, 106011), (3705, 70674), (4446, 58895), (7410, 35337), (11115, 23558), (11779, 22230)]