80187720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5101}}^1$

素因数の和:5246

約数の個数: 64

約数和(自身を含む): 242447040

約数和(自身を除く): 162259320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5101, 5240, 7860, 10202, 15303, 15720, 20404, 25505, 30606, 40808, 51010, 61212, 76515, 102020, 122424, 153030, 204040, 306060, 612120, 668231, 1336462, 2004693, 2672924, 3341155, 4009386, 5345848, 6682310, 8018772, 10023465, 13364620, 16037544, 20046930, 26729240, 40093860, 80187720]

約数ペア:

[(1, 80187720), (2, 40093860), (3, 26729240), (4, 20046930), (5, 16037544), (6, 13364620), (8, 10023465), (10, 8018772), (12, 6682310), (15, 5345848), (20, 4009386), (24, 3341155), (30, 2672924), (40, 2004693), (60, 1336462), (120, 668231), (131, 612120), (262, 306060), (393, 204040), (524, 153030), (655, 122424), (786, 102020), (1048, 76515), (1310, 61212), (1572, 51010), (1965, 40808), (2620, 30606), (3144, 25505), (3930, 20404), (5101, 15720), (5240, 15303), (7860, 10202)]