259494240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{540613}}^1$

素因数の和:540631

約数の個数: 48

約数和(自身を含む): 817408368

約数和(自身を除く): 557914128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 540613, 1081226, 1621839, 2162452, 2703065, 3243678, 4324904, 5406130, 6487356, 8109195, 8649808, 10812260, 12974712, 16218390, 17299616, 21624520, 25949424, 32436780, 43249040, 51898848, 64873560, 86498080, 129747120, 259494240]

約数ペア:

[(1, 259494240), (2, 129747120), (3, 86498080), (4, 64873560), (5, 51898848), (6, 43249040), (8, 32436780), (10, 25949424), (12, 21624520), (15, 17299616), (16, 16218390), (20, 12974712), (24, 10812260), (30, 8649808), (32, 8109195), (40, 6487356), (48, 5406130), (60, 4324904), (80, 3243678), (96, 2703065), (120, 2162452), (160, 1621839), (240, 1081226), (480, 540613)]