11721720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 38154240

約数和(自身を除く): 26432520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 137, 138, 155, 184, 186, 230, 248, 274, 276, 310, 345, 372, 411, 460, 465, 548, 552, 620, 685, 690, 713, 744, 822, 920, 930, 1096, 1240, 1370, 1380, 1426, 1644, 1860, 2055, 2139, 2740, 2760, 2852, 3151, 3288, 3565, 3720, 4110, 4247, 4278, 5480, 5704, 6302, 7130, 8220, 8494, 8556, 9453, 10695, 12604, 12741, 14260, 15755, 16440, 16988, 17112, 18906, 21235, 21390, 25208, 25482, 28520, 31510, 33976, 37812, 42470, 42780, 47265, 50964, 63020, 63705, 75624, 84940, 85560, 94530, 97681, 101928, 126040, 127410, 169880, 189060, 195362, 254820, 293043, 378120, 390724, 488405, 509640, 586086, 781448, 976810, 1172172, 1465215, 1953620, 2344344, 2930430, 3907240, 5860860, 11721720]

約数ペア:

[(1, 11721720), (2, 5860860), (3, 3907240), (4, 2930430), (5, 2344344), (6, 1953620), (8, 1465215), (10, 1172172), (12, 976810), (15, 781448), (20, 586086), (23, 509640), (24, 488405), (30, 390724), (31, 378120), (40, 293043), (46, 254820), (60, 195362), (62, 189060), (69, 169880), (92, 127410), (93, 126040), (115, 101928), (120, 97681), (124, 94530), (137, 85560), (138, 84940), (155, 75624), (184, 63705), (186, 63020), (230, 50964), (248, 47265), (274, 42780), (276, 42470), (310, 37812), (345, 33976), (372, 31510), (411, 28520), (460, 25482), (465, 25208), (548, 21390), (552, 21235), (620, 18906), (685, 17112), (690, 16988), (713, 16440), (744, 15755), (822, 14260), (920, 12741), (930, 12604), (1096, 10695), (1240, 9453), (1370, 8556), (1380, 8494), (1426, 8220), (1644, 7130), (1860, 6302), (2055, 5704), (2139, 5480), (2740, 4278), (2760, 4247), (2852, 4110), (3151, 3720), (3288, 3565)]