1276457320

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:1042

約数の個数: 64

約数和(自身を含む): 2901199680

約数和(自身を除く): 1624742360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 257, 454, 514, 547, 908, 1028, 1094, 1135, 1285, 1816, 2056, 2188, 2270, 2570, 2735, 4376, 4540, 5140, 5470, 9080, 10280, 10940, 21880, 58339, 116678, 124169, 140579, 233356, 248338, 281158, 291695, 466712, 496676, 562316, 583390, 620845, 702895, 993352, 1124632, 1166780, 1241690, 1405790, 2333560, 2483380, 2811580, 4966760, 5623160, 31911433, 63822866, 127645732, 159557165, 255291464, 319114330, 638228660, 1276457320]

約数ペア:

[(1, 1276457320), (2, 638228660), (4, 319114330), (5, 255291464), (8, 159557165), (10, 127645732), (20, 63822866), (40, 31911433), (227, 5623160), (257, 4966760), (454, 2811580), (514, 2483380), (547, 2333560), (908, 1405790), (1028, 1241690), (1094, 1166780), (1135, 1124632), (1285, 993352), (1816, 702895), (2056, 620845), (2188, 583390), (2270, 562316), (2570, 496676), (2735, 466712), (4376, 291695), (4540, 281158), (5140, 248338), (5470, 233356), (9080, 140579), (10280, 124169), (10940, 116678), (21880, 58339)]