27998280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{77773}}^1$

素因数の和:77790

約数の個数: 48

約数和(自身を含む): 90995580

約数和(自身を除く): 62997300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 77773, 155546, 233319, 311092, 388865, 466638, 622184, 699957, 777730, 933276, 1166595, 1399914, 1555460, 1866552, 2333190, 2799828, 3110920, 3499785, 4666380, 5599656, 6999570, 9332760, 13999140, 27998280]

約数ペア:

[(1, 27998280), (2, 13999140), (3, 9332760), (4, 6999570), (5, 5599656), (6, 4666380), (8, 3499785), (9, 3110920), (10, 2799828), (12, 2333190), (15, 1866552), (18, 1555460), (20, 1399914), (24, 1166595), (30, 933276), (36, 777730), (40, 699957), (45, 622184), (60, 466638), (72, 388865), (90, 311092), (120, 233319), (180, 155546), (360, 77773)]