1257376000

素因数分解:

$2^8\times 5^3\times {\mathrm{39293}}^1$

素因数の和:39324

約数の個数: 72

約数和(自身を含む): 3132360504

約数和(自身を除く): 1874984504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 640, 800, 1000, 1280, 1600, 2000, 3200, 4000, 6400, 8000, 16000, 32000, 39293, 78586, 157172, 196465, 314344, 392930, 628688, 785860, 982325, 1257376, 1571720, 1964650, 2514752, 3143440, 3929300, 4911625, 5029504, 6286880, 7858600, 9823250, 10059008, 12573760, 15717200, 19646500, 25147520, 31434400, 39293000, 50295040, 62868800, 78586000, 125737600, 157172000, 251475200, 314344000, 628688000, 1257376000]

約数ペア:

[(1, 1257376000), (2, 628688000), (4, 314344000), (5, 251475200), (8, 157172000), (10, 125737600), (16, 78586000), (20, 62868800), (25, 50295040), (32, 39293000), (40, 31434400), (50, 25147520), (64, 19646500), (80, 15717200), (100, 12573760), (125, 10059008), (128, 9823250), (160, 7858600), (200, 6286880), (250, 5029504), (256, 4911625), (320, 3929300), (400, 3143440), (500, 2514752), (640, 1964650), (800, 1571720), (1000, 1257376), (1280, 982325), (1600, 785860), (2000, 628688), (3200, 392930), (4000, 314344), (6400, 196465), (8000, 157172), (16000, 78586), (32000, 39293)]