28985280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:406

約数の個数: 112

約数和(自身を含む): 93207840

約数和(自身を除く): 64222560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 109, 120, 160, 192, 218, 240, 277, 320, 327, 436, 480, 545, 554, 654, 831, 872, 960, 1090, 1108, 1308, 1385, 1635, 1662, 1744, 2180, 2216, 2616, 2770, 3270, 3324, 3488, 4155, 4360, 4432, 5232, 5540, 6540, 6648, 6976, 8310, 8720, 8864, 10464, 11080, 13080, 13296, 16620, 17440, 17728, 20928, 22160, 26160, 26592, 30193, 33240, 34880, 44320, 52320, 53184, 60386, 66480, 88640, 90579, 104640, 120772, 132960, 150965, 181158, 241544, 265920, 301930, 362316, 452895, 483088, 603860, 724632, 905790, 966176, 1207720, 1449264, 1811580, 1932352, 2415440, 2898528, 3623160, 4830880, 5797056, 7246320, 9661760, 14492640, 28985280]

約数ペア:

[(1, 28985280), (2, 14492640), (3, 9661760), (4, 7246320), (5, 5797056), (6, 4830880), (8, 3623160), (10, 2898528), (12, 2415440), (15, 1932352), (16, 1811580), (20, 1449264), (24, 1207720), (30, 966176), (32, 905790), (40, 724632), (48, 603860), (60, 483088), (64, 452895), (80, 362316), (96, 301930), (109, 265920), (120, 241544), (160, 181158), (192, 150965), (218, 132960), (240, 120772), (277, 104640), (320, 90579), (327, 88640), (436, 66480), (480, 60386), (545, 53184), (554, 52320), (654, 44320), (831, 34880), (872, 33240), (960, 30193), (1090, 26592), (1108, 26160), (1308, 22160), (1385, 20928), (1635, 17728), (1662, 17440), (1744, 16620), (2180, 13296), (2216, 13080), (2616, 11080), (2770, 10464), (3270, 8864), (3324, 8720), (3488, 8310), (4155, 6976), (4360, 6648), (4432, 6540), (5232, 5540)]