30156280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{9791}}^1$

素因数の和:9820

約数の個数: 64

約数和(自身を含む): 84602880

約数和(自身を除く): 54446600

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 9791, 19582, 39164, 48955, 68537, 78328, 97910, 107701, 137074, 195820, 215402, 274148, 342685, 391640, 430804, 538505, 548296, 685370, 753907, 861608, 1077010, 1370740, 1507814, 2154020, 2741480, 3015628, 3769535, 4308040, 6031256, 7539070, 15078140, 30156280]

約数ペア:

[(1, 30156280), (2, 15078140), (4, 7539070), (5, 6031256), (7, 4308040), (8, 3769535), (10, 3015628), (11, 2741480), (14, 2154020), (20, 1507814), (22, 1370740), (28, 1077010), (35, 861608), (40, 753907), (44, 685370), (55, 548296), (56, 538505), (70, 430804), (77, 391640), (88, 342685), (110, 274148), (140, 215402), (154, 195820), (220, 137074), (280, 107701), (308, 97910), (385, 78328), (440, 68537), (616, 48955), (770, 39164), (1540, 19582), (3080, 9791)]