1270815

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:61

約数の個数: 64

約数和(自身を含む): 2688000

約数和(自身を除く): 1417185

約数列:

[1, 3, 5, 7, 13, 15, 19, 21, 35, 39, 49, 57, 65, 91, 95, 105, 133, 147, 195, 245, 247, 273, 285, 343, 399, 455, 637, 665, 735, 741, 931, 1029, 1235, 1365, 1715, 1729, 1911, 1995, 2793, 3185, 3705, 4459, 4655, 5145, 5187, 6517, 8645, 9555, 12103, 13377, 13965, 19551, 22295, 25935, 32585, 36309, 60515, 66885, 84721, 97755, 181545, 254163, 423605, 1270815]

約数ペア:

[(1, 1270815), (3, 423605), (5, 254163), (7, 181545), (13, 97755), (15, 84721), (19, 66885), (21, 60515), (35, 36309), (39, 32585), (49, 25935), (57, 22295), (65, 19551), (91, 13965), (95, 13377), (105, 12103), (133, 9555), (147, 8645), (195, 6517), (245, 5187), (247, 5145), (273, 4655), (285, 4459), (343, 3705), (399, 3185), (455, 2793), (637, 1995), (665, 1911), (735, 1729), (741, 1715), (931, 1365), (1029, 1235)]