1640580018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{853}}^1$

素因数の和:1080

約数の個数: 128

約数和(自身を含む): 4297273344

約数和(自身を除く): 2656693326

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 23, 33, 42, 46, 66, 69, 77, 138, 154, 161, 181, 231, 253, 322, 362, 462, 483, 506, 543, 759, 853, 966, 1086, 1267, 1518, 1706, 1771, 1991, 2534, 2559, 3542, 3801, 3982, 4163, 5118, 5313, 5971, 5973, 7602, 8326, 9383, 10626, 11942, 11946, 12489, 13937, 17913, 18766, 19619, 24978, 27874, 28149, 29141, 35826, 39238, 41811, 45793, 56298, 58282, 58857, 65681, 83622, 87423, 91586, 117714, 131362, 137333, 137379, 154393, 174846, 197043, 215809, 274666, 274758, 308786, 320551, 394086, 411999, 431618, 463179, 641102, 647427, 823998, 926358, 961653, 1080751, 1294854, 1510663, 1698323, 1923306, 2161502, 3021326, 3242253, 3396646, 3551039, 4531989, 5094969, 6484506, 7102078, 9063978, 10189938, 10653117, 11888261, 21306234, 23776522, 24857273, 35664783, 39061429, 49714546, 71329566, 74571819, 78122858, 117184287, 149143638, 234368574, 273430003, 546860006, 820290009, 1640580018]

約数ペア:

[(1, 1640580018), (2, 820290009), (3, 546860006), (6, 273430003), (7, 234368574), (11, 149143638), (14, 117184287), (21, 78122858), (22, 74571819), (23, 71329566), (33, 49714546), (42, 39061429), (46, 35664783), (66, 24857273), (69, 23776522), (77, 21306234), (138, 11888261), (154, 10653117), (161, 10189938), (181, 9063978), (231, 7102078), (253, 6484506), (322, 5094969), (362, 4531989), (462, 3551039), (483, 3396646), (506, 3242253), (543, 3021326), (759, 2161502), (853, 1923306), (966, 1698323), (1086, 1510663), (1267, 1294854), (1518, 1080751), (1706, 961653), (1771, 926358), (1991, 823998), (2534, 647427), (2559, 641102), (3542, 463179), (3801, 431618), (3982, 411999), (4163, 394086), (5118, 320551), (5313, 308786), (5971, 274758), (5973, 274666), (7602, 215809), (8326, 197043), (9383, 174846), (10626, 154393), (11942, 137379), (11946, 137333), (12489, 131362), (13937, 117714), (17913, 91586), (18766, 87423), (19619, 83622), (24978, 65681), (27874, 58857), (28149, 58282), (29141, 56298), (35826, 45793), (39238, 41811)]