280580520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{212561}}^1$

素因数の和:212586

約数の個数: 64

約数和(自身を含む): 918267840

約数和(自身を除く): 637687320

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, 212561, 425122, 637683, 850244, 1062805, 1275366, 1700488, 2125610, 2338171, 2550732, 3188415, 4251220, 4676342, 5101464, 6376830, 7014513, 8502440, 9352684, 11690855, 12753660, 14029026, 18705368, 23381710, 25507320, 28058052, 35072565, 46763420, 56116104, 70145130, 93526840, 140290260, 280580520]

約数ペア:

[(1, 280580520), (2, 140290260), (3, 93526840), (4, 70145130), (5, 56116104), (6, 46763420), (8, 35072565), (10, 28058052), (11, 25507320), (12, 23381710), (15, 18705368), (20, 14029026), (22, 12753660), (24, 11690855), (30, 9352684), (33, 8502440), (40, 7014513), (44, 6376830), (55, 5101464), (60, 4676342), (66, 4251220), (88, 3188415), (110, 2550732), (120, 2338171), (132, 2125610), (165, 1700488), (220, 1275366), (264, 1062805), (330, 850244), (440, 637683), (660, 425122), (1320, 212561)]