159697720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:705

約数の個数: 128

約数和(自身を含む): 449043840

約数和(自身を除く): 289346120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 601, 728, 730, 910, 949, 1022, 1202, 1460, 1820, 1898, 2044, 2404, 2555, 2920, 3005, 3640, 3796, 4088, 4207, 4745, 4808, 5110, 6010, 6643, 7592, 7813, 8414, 9490, 10220, 12020, 13286, 15626, 16828, 18980, 20440, 21035, 24040, 26572, 31252, 33215, 33656, 37960, 39065, 42070, 43873, 53144, 54691, 62504, 66430, 78130, 84140, 87746, 109382, 132860, 156260, 168280, 175492, 218764, 219365, 265720, 273455, 307111, 312520, 350984, 437528, 438730, 546910, 570349, 614222, 877460, 1093820, 1140698, 1228444, 1535555, 1754920, 2187640, 2281396, 2456888, 2851745, 3071110, 3992443, 4562792, 5703490, 6142220, 7984886, 11406980, 12284440, 15969772, 19962215, 22813960, 31939544, 39924430, 79848860, 159697720]

約数ペア:

[(1, 159697720), (2, 79848860), (4, 39924430), (5, 31939544), (7, 22813960), (8, 19962215), (10, 15969772), (13, 12284440), (14, 11406980), (20, 7984886), (26, 6142220), (28, 5703490), (35, 4562792), (40, 3992443), (52, 3071110), (56, 2851745), (65, 2456888), (70, 2281396), (73, 2187640), (91, 1754920), (104, 1535555), (130, 1228444), (140, 1140698), (146, 1093820), (182, 877460), (260, 614222), (280, 570349), (292, 546910), (364, 438730), (365, 437528), (455, 350984), (511, 312520), (520, 307111), (584, 273455), (601, 265720), (728, 219365), (730, 218764), (910, 175492), (949, 168280), (1022, 156260), (1202, 132860), (1460, 109382), (1820, 87746), (1898, 84140), (2044, 78130), (2404, 66430), (2555, 62504), (2920, 54691), (3005, 53144), (3640, 43873), (3796, 42070), (4088, 39065), (4207, 37960), (4745, 33656), (4808, 33215), (5110, 31252), (6010, 26572), (6643, 24040), (7592, 21035), (7813, 20440), (8414, 18980), (9490, 16828), (10220, 15626), (12020, 13286)]