261989640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7351}}^1$

素因数の和:7385

約数の個数: 160

約数和(自身を含む): 960759360

約数和(自身を除く): 698769720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 81, 88, 90, 99, 108, 110, 120, 132, 135, 162, 165, 180, 198, 216, 220, 264, 270, 297, 324, 330, 360, 396, 405, 440, 495, 540, 594, 648, 660, 792, 810, 891, 990, 1080, 1188, 1320, 1485, 1620, 1782, 1980, 2376, 2970, 3240, 3564, 3960, 4455, 5940, 7128, 7351, 8910, 11880, 14702, 17820, 22053, 29404, 35640, 36755, 44106, 58808, 66159, 73510, 80861, 88212, 110265, 132318, 147020, 161722, 176424, 198477, 220530, 242583, 264636, 294040, 323444, 330795, 396954, 404305, 441060, 485166, 529272, 595431, 646888, 661590, 727749, 793908, 808610, 882120, 970332, 992385, 1190862, 1212915, 1323180, 1455498, 1587816, 1617220, 1940664, 1984770, 2183247, 2381724, 2425830, 2646360, 2910996, 2977155, 3234440, 3638745, 3969540, 4366494, 4763448, 4851660, 5821992, 5954310, 6549741, 7277490, 7939080, 8732988, 9703320, 10916235, 11908620, 13099482, 14554980, 17465976, 21832470, 23817240, 26198964, 29109960, 32748705, 43664940, 52397928, 65497410, 87329880, 130994820, 261989640]

約数ペア:

[(1, 261989640), (2, 130994820), (3, 87329880), (4, 65497410), (5, 52397928), (6, 43664940), (8, 32748705), (9, 29109960), (10, 26198964), (11, 23817240), (12, 21832470), (15, 17465976), (18, 14554980), (20, 13099482), (22, 11908620), (24, 10916235), (27, 9703320), (30, 8732988), (33, 7939080), (36, 7277490), (40, 6549741), (44, 5954310), (45, 5821992), (54, 4851660), (55, 4763448), (60, 4366494), (66, 3969540), (72, 3638745), (81, 3234440), (88, 2977155), (90, 2910996), (99, 2646360), (108, 2425830), (110, 2381724), (120, 2183247), (132, 1984770), (135, 1940664), (162, 1617220), (165, 1587816), (180, 1455498), (198, 1323180), (216, 1212915), (220, 1190862), (264, 992385), (270, 970332), (297, 882120), (324, 808610), (330, 793908), (360, 727749), (396, 661590), (405, 646888), (440, 595431), (495, 529272), (540, 485166), (594, 441060), (648, 404305), (660, 396954), (792, 330795), (810, 323444), (891, 294040), (990, 264636), (1080, 242583), (1188, 220530), (1320, 198477), (1485, 176424), (1620, 161722), (1782, 147020), (1980, 132318), (2376, 110265), (2970, 88212), (3240, 80861), (3564, 73510), (3960, 66159), (4455, 58808), (5940, 44106), (7128, 36755), (7351, 35640), (8910, 29404), (11880, 22053), (14702, 17820)]