128641248

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23509}}^1$

素因数の和:23544

約数の個数: 72

約数和(自身を含む): 385093800

約数和(自身を除く): 256452552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 72, 76, 96, 114, 144, 152, 171, 228, 288, 304, 342, 456, 608, 684, 912, 1368, 1824, 2736, 5472, 23509, 47018, 70527, 94036, 141054, 188072, 211581, 282108, 376144, 423162, 446671, 564216, 752288, 846324, 893342, 1128432, 1340013, 1692648, 1786684, 2256864, 2680026, 3385296, 3573368, 4020039, 5360052, 6770592, 7146736, 8040078, 10720104, 14293472, 16080156, 21440208, 32160312, 42880416, 64320624, 128641248]

約数ペア:

[(1, 128641248), (2, 64320624), (3, 42880416), (4, 32160312), (6, 21440208), (8, 16080156), (9, 14293472), (12, 10720104), (16, 8040078), (18, 7146736), (19, 6770592), (24, 5360052), (32, 4020039), (36, 3573368), (38, 3385296), (48, 2680026), (57, 2256864), (72, 1786684), (76, 1692648), (96, 1340013), (114, 1128432), (144, 893342), (152, 846324), (171, 752288), (228, 564216), (288, 446671), (304, 423162), (342, 376144), (456, 282108), (608, 211581), (684, 188072), (912, 141054), (1368, 94036), (1824, 70527), (2736, 47018), (5472, 23509)]