28688310

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 128

約数和(自身を含む): 89717760

約数和(自身を除く): 61029450

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 258, 270, 301, 315, 353, 378, 387, 430, 602, 630, 645, 706, 774, 903, 945, 1059, 1161, 1290, 1505, 1765, 1806, 1890, 1935, 2118, 2322, 2471, 2709, 3010, 3177, 3530, 3870, 4515, 4942, 5295, 5418, 5805, 6354, 7413, 8127, 9030, 9531, 10590, 11610, 12355, 13545, 14826, 15179, 15885, 16254, 19062, 22239, 24710, 27090, 30358, 31770, 37065, 40635, 44478, 45537, 47655, 66717, 74130, 75895, 81270, 91074, 95310, 106253, 111195, 133434, 136611, 151790, 212506, 222390, 227685, 273222, 318759, 333585, 409833, 455370, 531265, 637518, 667170, 683055, 819666, 956277, 1062530, 1366110, 1593795, 1912554, 2049165, 2868831, 3187590, 4098330, 4781385, 5737662, 9562770, 14344155, 28688310]

約数ペア:

[(1, 28688310), (2, 14344155), (3, 9562770), (5, 5737662), (6, 4781385), (7, 4098330), (9, 3187590), (10, 2868831), (14, 2049165), (15, 1912554), (18, 1593795), (21, 1366110), (27, 1062530), (30, 956277), (35, 819666), (42, 683055), (43, 667170), (45, 637518), (54, 531265), (63, 455370), (70, 409833), (86, 333585), (90, 318759), (105, 273222), (126, 227685), (129, 222390), (135, 212506), (189, 151790), (210, 136611), (215, 133434), (258, 111195), (270, 106253), (301, 95310), (315, 91074), (353, 81270), (378, 75895), (387, 74130), (430, 66717), (602, 47655), (630, 45537), (645, 44478), (706, 40635), (774, 37065), (903, 31770), (945, 30358), (1059, 27090), (1161, 24710), (1290, 22239), (1505, 19062), (1765, 16254), (1806, 15885), (1890, 15179), (1935, 14826), (2118, 13545), (2322, 12355), (2471, 11610), (2709, 10590), (3010, 9531), (3177, 9030), (3530, 8127), (3870, 7413), (4515, 6354), (4942, 5805), (5295, 5418)]