720006

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:129

約数の個数: 48

約数和(自身を含む): 1751040

約数和(自身を除く): 1031034

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 49, 62, 79, 93, 98, 147, 158, 186, 217, 237, 294, 434, 474, 553, 651, 1106, 1302, 1519, 1659, 2449, 3038, 3318, 3871, 4557, 4898, 7347, 7742, 9114, 11613, 14694, 17143, 23226, 34286, 51429, 102858, 120001, 240002, 360003, 720006]

約数ペア:

[(1, 720006), (2, 360003), (3, 240002), (6, 120001), (7, 102858), (14, 51429), (21, 34286), (31, 23226), (42, 17143), (49, 14694), (62, 11613), (79, 9114), (93, 7742), (98, 7347), (147, 4898), (158, 4557), (186, 3871), (217, 3318), (237, 3038), (294, 2449), (434, 1659), (474, 1519), (553, 1302), (651, 1106)]