1280145762

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{47699}}^1$

素因数の和:47788

約数の個数: 64

約数和(自身を含む): 3297024000

約数和(自身を除く): 2016878238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 71, 126, 142, 189, 213, 378, 426, 497, 639, 994, 1278, 1491, 1917, 2982, 3834, 4473, 8946, 13419, 26838, 47699, 95398, 143097, 286194, 333893, 429291, 667786, 858582, 1001679, 1287873, 2003358, 2575746, 3005037, 3386629, 6010074, 6773258, 9015111, 10159887, 18030222, 20319774, 23706403, 30479661, 47412806, 60959322, 71119209, 91438983, 142238418, 182877966, 213357627, 426715254, 640072881, 1280145762]

約数ペア:

[(1, 1280145762), (2, 640072881), (3, 426715254), (6, 213357627), (7, 182877966), (9, 142238418), (14, 91438983), (18, 71119209), (21, 60959322), (27, 47412806), (42, 30479661), (54, 23706403), (63, 20319774), (71, 18030222), (126, 10159887), (142, 9015111), (189, 6773258), (213, 6010074), (378, 3386629), (426, 3005037), (497, 2575746), (639, 2003358), (994, 1287873), (1278, 1001679), (1491, 858582), (1917, 667786), (2982, 429291), (3834, 333893), (4473, 286194), (8946, 143097), (13419, 95398), (26838, 47699)]