30778880

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1093}}^1$

素因数の和:1127

約数の個数: 80

約数和(自身を含む): 80579664

約数和(自身を除く): 49800784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1093, 1280, 1408, 1760, 2186, 2560, 2816, 3520, 4372, 5465, 5632, 7040, 8744, 10930, 12023, 14080, 17488, 21860, 24046, 28160, 34976, 43720, 48092, 60115, 69952, 87440, 96184, 120230, 139904, 174880, 192368, 240460, 279808, 349760, 384736, 480920, 559616, 699520, 769472, 961840, 1399040, 1538944, 1923680, 2798080, 3077888, 3847360, 6155776, 7694720, 15389440, 30778880]

約数ペア:

[(1, 30778880), (2, 15389440), (4, 7694720), (5, 6155776), (8, 3847360), (10, 3077888), (11, 2798080), (16, 1923680), (20, 1538944), (22, 1399040), (32, 961840), (40, 769472), (44, 699520), (55, 559616), (64, 480920), (80, 384736), (88, 349760), (110, 279808), (128, 240460), (160, 192368), (176, 174880), (220, 139904), (256, 120230), (320, 96184), (352, 87440), (440, 69952), (512, 60115), (640, 48092), (704, 43720), (880, 34976), (1093, 28160), (1280, 24046), (1408, 21860), (1760, 17488), (2186, 14080), (2560, 12023), (2816, 10930), (3520, 8744), (4372, 7040), (5465, 5632)]