27747780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:509

約数の個数: 96

約数和(自身を含む): 82736640

約数和(自身を除く): 54988860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 37, 58, 60, 74, 87, 111, 116, 145, 148, 174, 185, 222, 290, 348, 370, 431, 435, 444, 555, 580, 740, 862, 870, 1073, 1110, 1293, 1724, 1740, 2146, 2155, 2220, 2586, 3219, 4292, 4310, 5172, 5365, 6438, 6465, 8620, 10730, 12499, 12876, 12930, 15947, 16095, 21460, 24998, 25860, 31894, 32190, 37497, 47841, 49996, 62495, 63788, 64380, 74994, 79735, 95682, 124990, 149988, 159470, 187485, 191364, 239205, 249980, 318940, 374970, 462463, 478410, 749940, 924926, 956820, 1387389, 1849852, 2312315, 2774778, 4624630, 5549556, 6936945, 9249260, 13873890, 27747780]

約数ペア:

[(1, 27747780), (2, 13873890), (3, 9249260), (4, 6936945), (5, 5549556), (6, 4624630), (10, 2774778), (12, 2312315), (15, 1849852), (20, 1387389), (29, 956820), (30, 924926), (37, 749940), (58, 478410), (60, 462463), (74, 374970), (87, 318940), (111, 249980), (116, 239205), (145, 191364), (148, 187485), (174, 159470), (185, 149988), (222, 124990), (290, 95682), (348, 79735), (370, 74994), (431, 64380), (435, 63788), (444, 62495), (555, 49996), (580, 47841), (740, 37497), (862, 32190), (870, 31894), (1073, 25860), (1110, 24998), (1293, 21460), (1724, 16095), (1740, 15947), (2146, 12930), (2155, 12876), (2220, 12499), (2586, 10730), (3219, 8620), (4292, 6465), (4310, 6438), (5172, 5365)]