27998520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21211}}^1$

素因数の和:21236

約数の個数: 64

約数和(自身を含む): 91635840

約数和(自身を除く): 63637320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21211, 42422, 63633, 84844, 106055, 127266, 169688, 212110, 233321, 254532, 318165, 424220, 466642, 509064, 636330, 699963, 848440, 933284, 1166605, 1272660, 1399926, 1866568, 2333210, 2545320, 2799852, 3499815, 4666420, 5599704, 6999630, 9332840, 13999260, 27998520]

約数ペア:

[(1, 27998520), (2, 13999260), (3, 9332840), (4, 6999630), (5, 5599704), (6, 4666420), (8, 3499815), (10, 2799852), (11, 2545320), (12, 2333210), (15, 1866568), (20, 1399926), (22, 1272660), (24, 1166605), (30, 933284), (33, 848440), (40, 699963), (44, 636330), (55, 509064), (60, 466642), (66, 424220), (88, 318165), (110, 254532), (120, 233321), (132, 212110), (165, 169688), (220, 127266), (264, 106055), (330, 84844), (440, 63633), (660, 42422), (1320, 21211)]