818149120

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{33641}}^1$

素因数の和:33681

約数の個数: 72

約数和(自身を含む): 2062927440

約数和(自身を除く): 1244778320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 608, 640, 760, 1216, 1280, 1520, 2432, 3040, 4864, 6080, 12160, 24320, 33641, 67282, 134564, 168205, 269128, 336410, 538256, 639179, 672820, 1076512, 1278358, 1345640, 2153024, 2556716, 2691280, 3195895, 4306048, 5113432, 5382560, 6391790, 8612096, 10226864, 10765120, 12783580, 20453728, 21530240, 25567160, 40907456, 43060480, 51134320, 81814912, 102268640, 163629824, 204537280, 409074560, 818149120]

約数ペア:

[(1, 818149120), (2, 409074560), (4, 204537280), (5, 163629824), (8, 102268640), (10, 81814912), (16, 51134320), (19, 43060480), (20, 40907456), (32, 25567160), (38, 21530240), (40, 20453728), (64, 12783580), (76, 10765120), (80, 10226864), (95, 8612096), (128, 6391790), (152, 5382560), (160, 5113432), (190, 4306048), (256, 3195895), (304, 2691280), (320, 2556716), (380, 2153024), (608, 1345640), (640, 1278358), (760, 1076512), (1216, 672820), (1280, 639179), (1520, 538256), (2432, 336410), (3040, 269128), (4864, 168205), (6080, 134564), (12160, 67282), (24320, 33641)]