255781120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{28547}}^1$

素因数の和:28575

約数の個数: 72

約数和(自身を含む): 700225344

約数和(自身を除く): 444444224

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 28547, 57094, 114188, 142735, 199829, 228376, 285470, 399658, 456752, 570940, 799316, 913504, 999145, 1141880, 1598632, 1827008, 1998290, 2283760, 3197264, 3654016, 3996580, 4567520, 6394528, 7308032, 7993160, 9135040, 12789056, 15986320, 18270080, 25578112, 31972640, 36540160, 51156224, 63945280, 127890560, 255781120]

約数ペア:

[(1, 255781120), (2, 127890560), (4, 63945280), (5, 51156224), (7, 36540160), (8, 31972640), (10, 25578112), (14, 18270080), (16, 15986320), (20, 12789056), (28, 9135040), (32, 7993160), (35, 7308032), (40, 6394528), (56, 4567520), (64, 3996580), (70, 3654016), (80, 3197264), (112, 2283760), (128, 1998290), (140, 1827008), (160, 1598632), (224, 1141880), (256, 999145), (280, 913504), (320, 799316), (448, 570940), (560, 456752), (640, 399658), (896, 285470), (1120, 228376), (1280, 199829), (1792, 142735), (2240, 114188), (4480, 57094), (8960, 28547)]