217878240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{453913}}^1$

素因数の和:453931

約数の個数: 48

約数和(自身を含む): 686317968

約数和(自身を除く): 468439728

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, 453913, 907826, 1361739, 1815652, 2269565, 2723478, 3631304, 4539130, 5446956, 6808695, 7262608, 9078260, 10893912, 13617390, 14525216, 18156520, 21787824, 27234780, 36313040, 43575648, 54469560, 72626080, 108939120, 217878240]

約数ペア:

[(1, 217878240), (2, 108939120), (3, 72626080), (4, 54469560), (5, 43575648), (6, 36313040), (8, 27234780), (10, 21787824), (12, 18156520), (15, 14525216), (16, 13617390), (20, 10893912), (24, 9078260), (30, 7262608), (32, 6808695), (40, 5446956), (48, 4539130), (60, 3631304), (80, 2723478), (96, 2269565), (120, 1815652), (160, 1361739), (240, 907826), (480, 453913)]