1311071360

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25931}}^1$

素因数の和:26029

約数の個数: 64

約数和(自身を含む): 3174076800

約数和(自身を除く): 1863005440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 1264, 1580, 2528, 3160, 5056, 6320, 10112, 12640, 25280, 25931, 50560, 51862, 103724, 129655, 207448, 259310, 414896, 518620, 829792, 1037240, 1659584, 2048549, 2074480, 3319168, 4097098, 4148960, 8194196, 8297920, 10242745, 16388392, 16595840, 20485490, 32776784, 40970980, 65553568, 81941960, 131107136, 163883920, 262214272, 327767840, 655535680, 1311071360]

約数ペア:

[(1, 1311071360), (2, 655535680), (4, 327767840), (5, 262214272), (8, 163883920), (10, 131107136), (16, 81941960), (20, 65553568), (32, 40970980), (40, 32776784), (64, 20485490), (79, 16595840), (80, 16388392), (128, 10242745), (158, 8297920), (160, 8194196), (316, 4148960), (320, 4097098), (395, 3319168), (632, 2074480), (640, 2048549), (790, 1659584), (1264, 1037240), (1580, 829792), (2528, 518620), (3160, 414896), (5056, 259310), (6320, 207448), (10112, 129655), (12640, 103724), (25280, 51862), (25931, 50560)]