18157680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25219}}^1$

素因数の和:25238

約数の個数: 60

約数和(自身を含む): 60981960

約数和(自身を除く): 42824280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25219, 50438, 75657, 100876, 126095, 151314, 201752, 226971, 252190, 302628, 378285, 403504, 453942, 504380, 605256, 756570, 907884, 1008760, 1134855, 1210512, 1513140, 1815768, 2017520, 2269710, 3026280, 3631536, 4539420, 6052560, 9078840, 18157680]

約数ペア:

[(1, 18157680), (2, 9078840), (3, 6052560), (4, 4539420), (5, 3631536), (6, 3026280), (8, 2269710), (9, 2017520), (10, 1815768), (12, 1513140), (15, 1210512), (16, 1134855), (18, 1008760), (20, 907884), (24, 756570), (30, 605256), (36, 504380), (40, 453942), (45, 403504), (48, 378285), (60, 302628), (72, 252190), (80, 226971), (90, 201752), (120, 151314), (144, 126095), (180, 100876), (240, 75657), (360, 50438), (720, 25219)]