28222920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7127}}^1$

素因数の和:7155

約数の個数: 96

約数和(自身を含む): 100077120

約数和(自身を除く): 71854200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7127, 14254, 21381, 28508, 35635, 42762, 57016, 64143, 71270, 78397, 85524, 106905, 128286, 142540, 156794, 171048, 213810, 235191, 256572, 285080, 313588, 320715, 391985, 427620, 470382, 513144, 627176, 641430, 705573, 783970, 855240, 940764, 1175955, 1282860, 1411146, 1567940, 1881528, 2351910, 2565720, 2822292, 3135880, 3527865, 4703820, 5644584, 7055730, 9407640, 14111460, 28222920]

約数ペア:

[(1, 28222920), (2, 14111460), (3, 9407640), (4, 7055730), (5, 5644584), (6, 4703820), (8, 3527865), (9, 3135880), (10, 2822292), (11, 2565720), (12, 2351910), (15, 1881528), (18, 1567940), (20, 1411146), (22, 1282860), (24, 1175955), (30, 940764), (33, 855240), (36, 783970), (40, 705573), (44, 641430), (45, 627176), (55, 513144), (60, 470382), (66, 427620), (72, 391985), (88, 320715), (90, 313588), (99, 285080), (110, 256572), (120, 235191), (132, 213810), (165, 171048), (180, 156794), (198, 142540), (220, 128286), (264, 106905), (330, 85524), (360, 78397), (396, 71270), (440, 64143), (495, 57016), (660, 42762), (792, 35635), (990, 28508), (1320, 21381), (1980, 14254), (3960, 7127)]