209160720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{9371}}^1$

素因数の和:9421

約数の個数: 120

約数和(自身を含む): 725167872

約数和(自身を除く): 516007152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 9371, 11160, 18742, 22320, 28113, 37484, 46855, 56226, 74968, 84339, 93710, 112452, 140565, 149936, 168678, 187420, 224904, 281130, 290501, 337356, 374840, 421695, 449808, 562260, 581002, 674712, 749680, 843390, 871503, 1124520, 1162004, 1349424, 1452505, 1686780, 1743006, 2249040, 2324008, 2614509, 2905010, 3373560, 3486012, 4357515, 4648016, 5229018, 5810020, 6747120, 6972024, 8715030, 10458036, 11620040, 13072545, 13944048, 17430060, 20916072, 23240080, 26145090, 34860120, 41832144, 52290180, 69720240, 104580360, 209160720]

約数ペア:

[(1, 209160720), (2, 104580360), (3, 69720240), (4, 52290180), (5, 41832144), (6, 34860120), (8, 26145090), (9, 23240080), (10, 20916072), (12, 17430060), (15, 13944048), (16, 13072545), (18, 11620040), (20, 10458036), (24, 8715030), (30, 6972024), (31, 6747120), (36, 5810020), (40, 5229018), (45, 4648016), (48, 4357515), (60, 3486012), (62, 3373560), (72, 2905010), (80, 2614509), (90, 2324008), (93, 2249040), (120, 1743006), (124, 1686780), (144, 1452505), (155, 1349424), (180, 1162004), (186, 1124520), (240, 871503), (248, 843390), (279, 749680), (310, 674712), (360, 581002), (372, 562260), (465, 449808), (496, 421695), (558, 374840), (620, 337356), (720, 290501), (744, 281130), (930, 224904), (1116, 187420), (1240, 168678), (1395, 149936), (1488, 140565), (1860, 112452), (2232, 93710), (2480, 84339), (2790, 74968), (3720, 56226), (4464, 46855), (5580, 37484), (7440, 28113), (9371, 22320), (11160, 18742)]