28696140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4831}}^1$

素因数の和:4860

約数の個数: 96

約数和(自身を含む): 97413120

約数和(自身を除く): 68716980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 4831, 5940, 9662, 14493, 19324, 24155, 28986, 43479, 48310, 53141, 57972, 72465, 86958, 96620, 106282, 130437, 144930, 159423, 173916, 212564, 217395, 260874, 265705, 289860, 318846, 434790, 478269, 521748, 531410, 637692, 652185, 797115, 869580, 956538, 1062820, 1304370, 1434807, 1594230, 1913076, 2391345, 2608740, 2869614, 3188460, 4782690, 5739228, 7174035, 9565380, 14348070, 28696140]

約数ペア:

[(1, 28696140), (2, 14348070), (3, 9565380), (4, 7174035), (5, 5739228), (6, 4782690), (9, 3188460), (10, 2869614), (11, 2608740), (12, 2391345), (15, 1913076), (18, 1594230), (20, 1434807), (22, 1304370), (27, 1062820), (30, 956538), (33, 869580), (36, 797115), (44, 652185), (45, 637692), (54, 531410), (55, 521748), (60, 478269), (66, 434790), (90, 318846), (99, 289860), (108, 265705), (110, 260874), (132, 217395), (135, 212564), (165, 173916), (180, 159423), (198, 144930), (220, 130437), (270, 106282), (297, 96620), (330, 86958), (396, 72465), (495, 57972), (540, 53141), (594, 48310), (660, 43479), (990, 28986), (1188, 24155), (1485, 19324), (1980, 14493), (2970, 9662), (4831, 5940)]