30138880

素因数分解:

$2^9\times 5^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:277

約数の個数: 80

約数和(自身を含む): 73827864

約数和(自身を除く): 43688984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 193, 244, 256, 305, 320, 386, 488, 512, 610, 640, 772, 965, 976, 1220, 1280, 1544, 1930, 1952, 2440, 2560, 3088, 3860, 3904, 4880, 6176, 7720, 7808, 9760, 11773, 12352, 15440, 15616, 19520, 23546, 24704, 30880, 31232, 39040, 47092, 49408, 58865, 61760, 78080, 94184, 98816, 117730, 123520, 156160, 188368, 235460, 247040, 376736, 470920, 494080, 753472, 941840, 1506944, 1883680, 3013888, 3767360, 6027776, 7534720, 15069440, 30138880]

約数ペア:

[(1, 30138880), (2, 15069440), (4, 7534720), (5, 6027776), (8, 3767360), (10, 3013888), (16, 1883680), (20, 1506944), (32, 941840), (40, 753472), (61, 494080), (64, 470920), (80, 376736), (122, 247040), (128, 235460), (160, 188368), (193, 156160), (244, 123520), (256, 117730), (305, 98816), (320, 94184), (386, 78080), (488, 61760), (512, 58865), (610, 49408), (640, 47092), (772, 39040), (965, 31232), (976, 30880), (1220, 24704), (1280, 23546), (1544, 19520), (1930, 15616), (1952, 15440), (2440, 12352), (2560, 11773), (3088, 9760), (3860, 7808), (3904, 7720), (4880, 6176)]