15178735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 22768128

約数和(自身を除く): 7589393

約数列:

[1, 5, 11, 13, 23, 55, 65, 71, 115, 143, 169, 253, 299, 355, 715, 781, 845, 923, 1265, 1495, 1633, 1859, 3289, 3887, 3905, 4615, 8165, 9295, 10153, 11999, 16445, 17963, 19435, 21229, 42757, 50765, 59995, 89815, 106145, 131989, 213785, 233519, 275977, 659945, 1167595, 1379885, 3035747, 15178735]

約数ペア:

[(1, 15178735), (5, 3035747), (11, 1379885), (13, 1167595), (23, 659945), (55, 275977), (65, 233519), (71, 213785), (115, 131989), (143, 106145), (169, 89815), (253, 59995), (299, 50765), (355, 42757), (715, 21229), (781, 19435), (845, 17963), (923, 16445), (1265, 11999), (1495, 10153), (1633, 9295), (1859, 8165), (3289, 4615), (3887, 3905)]