680120560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:351

約数の個数: 160

約数和(自身を含む): 1860452352

約数和(自身を除く): 1180331792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 127, 131, 140, 146, 254, 262, 280, 292, 365, 508, 511, 524, 560, 584, 635, 655, 730, 889, 917, 1016, 1022, 1048, 1168, 1270, 1310, 1460, 1778, 1834, 2032, 2044, 2096, 2540, 2555, 2620, 2920, 3556, 3668, 4088, 4445, 4585, 5080, 5110, 5240, 5840, 7112, 7336, 8176, 8890, 9170, 9271, 9563, 10160, 10220, 10480, 14224, 14672, 16637, 17780, 18340, 18542, 19126, 20440, 33274, 35560, 36680, 37084, 38252, 40880, 46355, 47815, 64897, 66548, 66941, 71120, 73360, 74168, 76504, 83185, 92710, 95630, 116459, 129794, 133096, 133882, 148336, 153008, 166370, 185420, 191260, 232918, 259588, 266192, 267764, 324485, 332740, 334705, 370840, 382520, 465836, 519176, 535528, 582295, 648970, 665480, 669410, 741680, 765040, 931672, 1038352, 1071056, 1164590, 1214501, 1297940, 1330960, 1338820, 1863344, 2329180, 2429002, 2595880, 2677640, 4658360, 4858004, 5191760, 5355280, 6072505, 8501507, 9316720, 9716008, 12145010, 17003014, 19432016, 24290020, 34006028, 42507535, 48580040, 68012056, 85015070, 97160080, 136024112, 170030140, 340060280, 680120560]

約数ペア:

[(1, 680120560), (2, 340060280), (4, 170030140), (5, 136024112), (7, 97160080), (8, 85015070), (10, 68012056), (14, 48580040), (16, 42507535), (20, 34006028), (28, 24290020), (35, 19432016), (40, 17003014), (56, 12145010), (70, 9716008), (73, 9316720), (80, 8501507), (112, 6072505), (127, 5355280), (131, 5191760), (140, 4858004), (146, 4658360), (254, 2677640), (262, 2595880), (280, 2429002), (292, 2329180), (365, 1863344), (508, 1338820), (511, 1330960), (524, 1297940), (560, 1214501), (584, 1164590), (635, 1071056), (655, 1038352), (730, 931672), (889, 765040), (917, 741680), (1016, 669410), (1022, 665480), (1048, 648970), (1168, 582295), (1270, 535528), (1310, 519176), (1460, 465836), (1778, 382520), (1834, 370840), (2032, 334705), (2044, 332740), (2096, 324485), (2540, 267764), (2555, 266192), (2620, 259588), (2920, 232918), (3556, 191260), (3668, 185420), (4088, 166370), (4445, 153008), (4585, 148336), (5080, 133882), (5110, 133096), (5240, 129794), (5840, 116459), (7112, 95630), (7336, 92710), (8176, 83185), (8890, 76504), (9170, 74168), (9271, 73360), (9563, 71120), (10160, 66941), (10220, 66548), (10480, 64897), (14224, 47815), (14672, 46355), (16637, 40880), (17780, 38252), (18340, 37084), (18542, 36680), (19126, 35560), (20440, 33274)]