161598990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 128

約数和(自身を含む): 472366080

約数和(自身を除く): 310767090

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 101, 105, 114, 133, 190, 202, 210, 266, 285, 303, 399, 401, 505, 570, 606, 665, 707, 798, 802, 1010, 1203, 1330, 1414, 1515, 1919, 1995, 2005, 2121, 2406, 2807, 3030, 3535, 3838, 3990, 4010, 4242, 5614, 5757, 6015, 7070, 7619, 8421, 9595, 10605, 11514, 12030, 13433, 14035, 15238, 16842, 19190, 21210, 22857, 26866, 28070, 28785, 38095, 40299, 40501, 42105, 45714, 53333, 57570, 67165, 76190, 80598, 81002, 84210, 106666, 114285, 121503, 134330, 159999, 201495, 202505, 228570, 243006, 266665, 283507, 319998, 402990, 405010, 533330, 567014, 607515, 769519, 799995, 850521, 1215030, 1417535, 1539038, 1599990, 1701042, 2308557, 2835070, 3847595, 4252605, 4617114, 5386633, 7695190, 8505210, 10773266, 11542785, 16159899, 23085570, 26933165, 32319798, 53866330, 80799495, 161598990]

約数ペア:

[(1, 161598990), (2, 80799495), (3, 53866330), (5, 32319798), (6, 26933165), (7, 23085570), (10, 16159899), (14, 11542785), (15, 10773266), (19, 8505210), (21, 7695190), (30, 5386633), (35, 4617114), (38, 4252605), (42, 3847595), (57, 2835070), (70, 2308557), (95, 1701042), (101, 1599990), (105, 1539038), (114, 1417535), (133, 1215030), (190, 850521), (202, 799995), (210, 769519), (266, 607515), (285, 567014), (303, 533330), (399, 405010), (401, 402990), (505, 319998), (570, 283507), (606, 266665), (665, 243006), (707, 228570), (798, 202505), (802, 201495), (1010, 159999), (1203, 134330), (1330, 121503), (1414, 114285), (1515, 106666), (1919, 84210), (1995, 81002), (2005, 80598), (2121, 76190), (2406, 67165), (2807, 57570), (3030, 53333), (3535, 45714), (3838, 42105), (3990, 40501), (4010, 40299), (4242, 38095), (5614, 28785), (5757, 28070), (6015, 26866), (7070, 22857), (7619, 21210), (8421, 19190), (9595, 16842), (10605, 15238), (11514, 14035), (12030, 13433)]