30086980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2791}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 80208576

約数和(自身を除く): 50121596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1540, 2156, 2695, 2791, 5390, 5582, 10780, 11164, 13955, 19537, 27910, 30701, 39074, 55820, 61402, 78148, 97685, 122804, 136759, 153505, 195370, 214907, 273518, 307010, 390740, 429814, 547036, 614020, 683795, 859628, 1074535, 1367590, 1504349, 2149070, 2735180, 3008698, 4298140, 6017396, 7521745, 15043490, 30086980]

約数ペア:

[(1, 30086980), (2, 15043490), (4, 7521745), (5, 6017396), (7, 4298140), (10, 3008698), (11, 2735180), (14, 2149070), (20, 1504349), (22, 1367590), (28, 1074535), (35, 859628), (44, 683795), (49, 614020), (55, 547036), (70, 429814), (77, 390740), (98, 307010), (110, 273518), (140, 214907), (154, 195370), (196, 153505), (220, 136759), (245, 122804), (308, 97685), (385, 78148), (490, 61402), (539, 55820), (770, 39074), (980, 30701), (1078, 27910), (1540, 19537), (2156, 13955), (2695, 11164), (2791, 10780), (5390, 5582)]