19978320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83243}}^1$

素因数の和:83259

約数の個数: 40

約数和(自身を含む): 61933536

約数和(自身を除く): 41955216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 83243, 166486, 249729, 332972, 416215, 499458, 665944, 832430, 998916, 1248645, 1331888, 1664860, 1997832, 2497290, 3329720, 3995664, 4994580, 6659440, 9989160, 19978320]

約数ペア:

[(1, 19978320), (2, 9989160), (3, 6659440), (4, 4994580), (5, 3995664), (6, 3329720), (8, 2497290), (10, 1997832), (12, 1664860), (15, 1331888), (16, 1248645), (20, 998916), (24, 832430), (30, 665944), (40, 499458), (48, 416215), (60, 332972), (80, 249729), (120, 166486), (240, 83243)]