161836240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{883}}^1$

素因数の和:1004

約数の個数: 80

約数和(自身を含む): 394617600

約数和(自身を除く): 232781360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 79, 80, 116, 145, 158, 232, 290, 316, 395, 464, 580, 632, 790, 883, 1160, 1264, 1580, 1766, 2291, 2320, 3160, 3532, 4415, 4582, 6320, 7064, 8830, 9164, 11455, 14128, 17660, 18328, 22910, 25607, 35320, 36656, 45820, 51214, 69757, 70640, 91640, 102428, 128035, 139514, 183280, 204856, 256070, 279028, 348785, 409712, 512140, 558056, 697570, 1024280, 1116112, 1395140, 2022953, 2048560, 2790280, 4045906, 5580560, 8091812, 10114765, 16183624, 20229530, 32367248, 40459060, 80918120, 161836240]

約数ペア:

[(1, 161836240), (2, 80918120), (4, 40459060), (5, 32367248), (8, 20229530), (10, 16183624), (16, 10114765), (20, 8091812), (29, 5580560), (40, 4045906), (58, 2790280), (79, 2048560), (80, 2022953), (116, 1395140), (145, 1116112), (158, 1024280), (232, 697570), (290, 558056), (316, 512140), (395, 409712), (464, 348785), (580, 279028), (632, 256070), (790, 204856), (883, 183280), (1160, 139514), (1264, 128035), (1580, 102428), (1766, 91640), (2291, 70640), (2320, 69757), (3160, 51214), (3532, 45820), (4415, 36656), (4582, 35320), (6320, 25607), (7064, 22910), (8830, 18328), (9164, 17660), (11455, 14128)]