30008720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1307}}^1$

素因数の和:1368

約数の個数: 80

約数和(自身を含む): 81744768

約数和(自身を除く): 51736048

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1307, 1435, 1640, 2296, 2614, 2870, 3280, 4592, 5228, 5740, 6535, 9149, 10456, 11480, 13070, 18298, 20912, 22960, 26140, 36596, 45745, 52280, 53587, 73192, 91490, 104560, 107174, 146384, 182980, 214348, 267935, 365960, 375109, 428696, 535870, 731920, 750218, 857392, 1071740, 1500436, 1875545, 2143480, 3000872, 3751090, 4286960, 6001744, 7502180, 15004360, 30008720]

約数ペア:

[(1, 30008720), (2, 15004360), (4, 7502180), (5, 6001744), (7, 4286960), (8, 3751090), (10, 3000872), (14, 2143480), (16, 1875545), (20, 1500436), (28, 1071740), (35, 857392), (40, 750218), (41, 731920), (56, 535870), (70, 428696), (80, 375109), (82, 365960), (112, 267935), (140, 214348), (164, 182980), (205, 146384), (280, 107174), (287, 104560), (328, 91490), (410, 73192), (560, 53587), (574, 52280), (656, 45745), (820, 36596), (1148, 26140), (1307, 22960), (1435, 20912), (1640, 18298), (2296, 13070), (2614, 11480), (2870, 10456), (3280, 9149), (4592, 6535), (5228, 5740)]