2160018

素因数分解:

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

素因数の和:132

約数の個数: 72

約数和(自身を含む): 5690880

約数和(自身を除く): 3530862

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 79, 93, 98, 126, 147, 158, 186, 217, 237, 279, 294, 434, 441, 474, 553, 558, 651, 711, 882, 1106, 1302, 1422, 1519, 1659, 1953, 2449, 3038, 3318, 3871, 3906, 4557, 4898, 4977, 7347, 7742, 9114, 9954, 11613, 13671, 14694, 17143, 22041, 23226, 27342, 34286, 34839, 44082, 51429, 69678, 102858, 120001, 154287, 240002, 308574, 360003, 720006, 1080009, 2160018]

約数ペア:

[(1, 2160018), (2, 1080009), (3, 720006), (6, 360003), (7, 308574), (9, 240002), (14, 154287), (18, 120001), (21, 102858), (31, 69678), (42, 51429), (49, 44082), (62, 34839), (63, 34286), (79, 27342), (93, 23226), (98, 22041), (126, 17143), (147, 14694), (158, 13671), (186, 11613), (217, 9954), (237, 9114), (279, 7742), (294, 7347), (434, 4977), (441, 4898), (474, 4557), (553, 3906), (558, 3871), (651, 3318), (711, 3038), (882, 2449), (1106, 1953), (1302, 1659), (1422, 1519)]