30299920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{887}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 81923328

約数和(自身を除く): 51623408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 61, 70, 80, 112, 122, 140, 244, 280, 305, 427, 488, 560, 610, 854, 887, 976, 1220, 1708, 1774, 2135, 2440, 3416, 3548, 4270, 4435, 4880, 6209, 6832, 7096, 8540, 8870, 12418, 14192, 17080, 17740, 24836, 31045, 34160, 35480, 49672, 54107, 62090, 70960, 99344, 108214, 124180, 216428, 248360, 270535, 378749, 432856, 496720, 541070, 757498, 865712, 1082140, 1514996, 1893745, 2164280, 3029992, 3787490, 4328560, 6059984, 7574980, 15149960, 30299920]

約数ペア:

[(1, 30299920), (2, 15149960), (4, 7574980), (5, 6059984), (7, 4328560), (8, 3787490), (10, 3029992), (14, 2164280), (16, 1893745), (20, 1514996), (28, 1082140), (35, 865712), (40, 757498), (56, 541070), (61, 496720), (70, 432856), (80, 378749), (112, 270535), (122, 248360), (140, 216428), (244, 124180), (280, 108214), (305, 99344), (427, 70960), (488, 62090), (560, 54107), (610, 49672), (854, 35480), (887, 34160), (976, 31045), (1220, 24836), (1708, 17740), (1774, 17080), (2135, 14192), (2440, 12418), (3416, 8870), (3548, 8540), (4270, 7096), (4435, 6832), (4880, 6209)]