31781232

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 104264160

約数和(自身を除く): 72482928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 492, 504, 574, 656, 738, 769, 861, 984, 1008, 1148, 1476, 1538, 1722, 1968, 2296, 2307, 2583, 2952, 3076, 3444, 4592, 4614, 5166, 5383, 5904, 6152, 6888, 6921, 9228, 10332, 10766, 12304, 13776, 13842, 16149, 18456, 20664, 21532, 27684, 31529, 32298, 36912, 41328, 43064, 48447, 55368, 63058, 64596, 86128, 94587, 96894, 110736, 126116, 129192, 189174, 193788, 220703, 252232, 258384, 283761, 378348, 387576, 441406, 504464, 567522, 662109, 756696, 775152, 882812, 1135044, 1324218, 1513392, 1765624, 1986327, 2270088, 2648436, 3531248, 3972654, 4540176, 5296872, 7945308, 10593744, 15890616, 31781232]

約数ペア:

[(1, 31781232), (2, 15890616), (3, 10593744), (4, 7945308), (6, 5296872), (7, 4540176), (8, 3972654), (9, 3531248), (12, 2648436), (14, 2270088), (16, 1986327), (18, 1765624), (21, 1513392), (24, 1324218), (28, 1135044), (36, 882812), (41, 775152), (42, 756696), (48, 662109), (56, 567522), (63, 504464), (72, 441406), (82, 387576), (84, 378348), (112, 283761), (123, 258384), (126, 252232), (144, 220703), (164, 193788), (168, 189174), (246, 129192), (252, 126116), (287, 110736), (328, 96894), (336, 94587), (369, 86128), (492, 64596), (504, 63058), (574, 55368), (656, 48447), (738, 43064), (769, 41328), (861, 36912), (984, 32298), (1008, 31529), (1148, 27684), (1476, 21532), (1538, 20664), (1722, 18456), (1968, 16149), (2296, 13842), (2307, 13776), (2583, 12304), (2952, 10766), (3076, 10332), (3444, 9228), (4592, 6921), (4614, 6888), (5166, 6152), (5383, 5904)]