1521327520

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{256981}}^1$

素因数の和:257033

約数の個数: 48

約数和(自身を含む): 3691289448

約数和(自身を除く): 2169961928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1184, 1480, 2960, 5920, 256981, 513962, 1027924, 1284905, 2055848, 2569810, 4111696, 5139620, 8223392, 9508297, 10279240, 19016594, 20558480, 38033188, 41116960, 47541485, 76066376, 95082970, 152132752, 190165940, 304265504, 380331880, 760663760, 1521327520]

約数ペア:

[(1, 1521327520), (2, 760663760), (4, 380331880), (5, 304265504), (8, 190165940), (10, 152132752), (16, 95082970), (20, 76066376), (32, 47541485), (37, 41116960), (40, 38033188), (74, 20558480), (80, 19016594), (148, 10279240), (160, 9508297), (185, 8223392), (296, 5139620), (370, 4111696), (592, 2569810), (740, 2055848), (1184, 1284905), (1480, 1027924), (2960, 513962), (5920, 256981)]