31459120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5107}}^1$

素因数の和:5138

約数の個数: 80

約数和(自身を含む): 91208448

約数和(自身を除く): 59749328

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 5107, 6160, 10214, 20428, 25535, 35749, 40856, 51070, 56177, 71498, 81712, 102140, 112354, 142996, 178745, 204280, 224708, 280885, 285992, 357490, 393239, 408560, 449416, 561770, 571984, 714980, 786478, 898832, 1123540, 1429960, 1572956, 1966195, 2247080, 2859920, 3145912, 3932390, 4494160, 6291824, 7864780, 15729560, 31459120]

約数ペア:

[(1, 31459120), (2, 15729560), (4, 7864780), (5, 6291824), (7, 4494160), (8, 3932390), (10, 3145912), (11, 2859920), (14, 2247080), (16, 1966195), (20, 1572956), (22, 1429960), (28, 1123540), (35, 898832), (40, 786478), (44, 714980), (55, 571984), (56, 561770), (70, 449416), (77, 408560), (80, 393239), (88, 357490), (110, 285992), (112, 280885), (140, 224708), (154, 204280), (176, 178745), (220, 142996), (280, 112354), (308, 102140), (385, 81712), (440, 71498), (560, 56177), (616, 51070), (770, 40856), (880, 35749), (1232, 25535), (1540, 20428), (3080, 10214), (5107, 6160)]