1818472180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{7727}}^1$

素因数の和:7825

約数の個数: 72

約数和(自身を含む): 4473955584

約数和(自身を除く): 2655483404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1681, 2870, 3362, 5740, 6724, 7727, 8405, 11767, 15454, 16810, 23534, 30908, 33620, 38635, 47068, 54089, 58835, 77270, 108178, 117670, 154540, 216356, 235340, 270445, 316807, 540890, 633614, 1081780, 1267228, 1584035, 2217649, 3168070, 4435298, 6336140, 8870596, 11088245, 12989087, 22176490, 25978174, 44352980, 51956348, 64945435, 90923609, 129890870, 181847218, 259781740, 363694436, 454618045, 909236090, 1818472180]

約数ペア:

[(1, 1818472180), (2, 909236090), (4, 454618045), (5, 363694436), (7, 259781740), (10, 181847218), (14, 129890870), (20, 90923609), (28, 64945435), (35, 51956348), (41, 44352980), (70, 25978174), (82, 22176490), (140, 12989087), (164, 11088245), (205, 8870596), (287, 6336140), (410, 4435298), (574, 3168070), (820, 2217649), (1148, 1584035), (1435, 1267228), (1681, 1081780), (2870, 633614), (3362, 540890), (5740, 316807), (6724, 270445), (7727, 235340), (8405, 216356), (11767, 154540), (15454, 117670), (16810, 108178), (23534, 77270), (30908, 58835), (33620, 54089), (38635, 47068)]