2187810

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 80

約数和(自身を含む): 6124536

約数和(自身を除く): 3936726

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 73, 74, 81, 90, 111, 135, 146, 162, 185, 219, 222, 270, 333, 365, 370, 405, 438, 555, 657, 666, 730, 810, 999, 1095, 1110, 1314, 1665, 1971, 1998, 2190, 2701, 2997, 3285, 3330, 3942, 4995, 5402, 5913, 5994, 6570, 8103, 9855, 9990, 11826, 13505, 14985, 16206, 19710, 24309, 27010, 29565, 29970, 40515, 48618, 59130, 72927, 81030, 121545, 145854, 218781, 243090, 364635, 437562, 729270, 1093905, 2187810]

約数ペア:

[(1, 2187810), (2, 1093905), (3, 729270), (5, 437562), (6, 364635), (9, 243090), (10, 218781), (15, 145854), (18, 121545), (27, 81030), (30, 72927), (37, 59130), (45, 48618), (54, 40515), (73, 29970), (74, 29565), (81, 27010), (90, 24309), (111, 19710), (135, 16206), (146, 14985), (162, 13505), (185, 11826), (219, 9990), (222, 9855), (270, 8103), (333, 6570), (365, 5994), (370, 5913), (405, 5402), (438, 4995), (555, 3942), (657, 3330), (666, 3285), (730, 2997), (810, 2701), (999, 2190), (1095, 1998), (1110, 1971), (1314, 1665)]