128154012

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11471}}^1$

素因数の和:11511

約数の個数: 72

約数和(自身を含む): 366186240

約数和(自身を除く): 238032228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 49, 57, 76, 84, 98, 114, 133, 147, 196, 228, 266, 294, 399, 532, 588, 798, 931, 1596, 1862, 2793, 3724, 5586, 11172, 11471, 22942, 34413, 45884, 68826, 80297, 137652, 160594, 217949, 240891, 321188, 435898, 481782, 562079, 653847, 871796, 963564, 1124158, 1307694, 1525643, 1686237, 2248316, 2615388, 3051286, 3372474, 4576929, 6102572, 6744948, 9153858, 10679501, 18307716, 21359002, 32038503, 42718004, 64077006, 128154012]

約数ペア:

[(1, 128154012), (2, 64077006), (3, 42718004), (4, 32038503), (6, 21359002), (7, 18307716), (12, 10679501), (14, 9153858), (19, 6744948), (21, 6102572), (28, 4576929), (38, 3372474), (42, 3051286), (49, 2615388), (57, 2248316), (76, 1686237), (84, 1525643), (98, 1307694), (114, 1124158), (133, 963564), (147, 871796), (196, 653847), (228, 562079), (266, 481782), (294, 435898), (399, 321188), (532, 240891), (588, 217949), (798, 160594), (931, 137652), (1596, 80297), (1862, 68826), (2793, 45884), (3724, 34413), (5586, 22942), (11172, 11471)]