30620265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 54390528

約数和(自身を除く): 23770263

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 169, 195, 235, 257, 507, 611, 705, 771, 845, 1285, 1833, 2535, 3055, 3341, 3855, 7943, 9165, 10023, 12079, 16705, 23829, 36237, 39715, 43433, 50115, 60395, 119145, 130299, 157027, 181185, 217165, 471081, 651495, 785135, 2041351, 2355405, 6124053, 10206755, 30620265]

約数ペア:

[(1, 30620265), (3, 10206755), (5, 6124053), (13, 2355405), (15, 2041351), (39, 785135), (47, 651495), (65, 471081), (141, 217165), (169, 181185), (195, 157027), (235, 130299), (257, 119145), (507, 60395), (611, 50115), (705, 43433), (771, 39715), (845, 36237), (1285, 23829), (1833, 16705), (2535, 12079), (3055, 10023), (3341, 9165), (3855, 7943)]