257260640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17669}}^1$

素因数の和:17704

約数の個数: 96

約数和(自身を含む): 748077120

約数和(自身を除く): 490816480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 364, 416, 455, 520, 560, 728, 910, 1040, 1120, 1456, 1820, 2080, 2912, 3640, 7280, 14560, 17669, 35338, 70676, 88345, 123683, 141352, 176690, 229697, 247366, 282704, 353380, 459394, 494732, 565408, 618415, 706760, 918788, 989464, 1148485, 1236830, 1413520, 1607879, 1837576, 1978928, 2296970, 2473660, 2827040, 3215758, 3675152, 3957856, 4593940, 4947320, 6431516, 7350304, 8039395, 9187880, 9894640, 12863032, 16078790, 18375760, 19789280, 25726064, 32157580, 36751520, 51452128, 64315160, 128630320, 257260640]

約数ペア:

[(1, 257260640), (2, 128630320), (4, 64315160), (5, 51452128), (7, 36751520), (8, 32157580), (10, 25726064), (13, 19789280), (14, 18375760), (16, 16078790), (20, 12863032), (26, 9894640), (28, 9187880), (32, 8039395), (35, 7350304), (40, 6431516), (52, 4947320), (56, 4593940), (65, 3957856), (70, 3675152), (80, 3215758), (91, 2827040), (104, 2473660), (112, 2296970), (130, 1978928), (140, 1837576), (160, 1607879), (182, 1413520), (208, 1236830), (224, 1148485), (260, 989464), (280, 918788), (364, 706760), (416, 618415), (455, 565408), (520, 494732), (560, 459394), (728, 353380), (910, 282704), (1040, 247366), (1120, 229697), (1456, 176690), (1820, 141352), (2080, 123683), (2912, 88345), (3640, 70676), (7280, 35338), (14560, 17669)]