18587520

素因数分解:

$2^7\times 3^2\times 5^1\times 7^1\times {\mathrm{461}}^1$

素因数の和:493

約数の個数: 192

約数和(自身を含む): 73513440

約数和(自身を除く): 54925920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 384, 420, 448, 461, 480, 504, 560, 576, 630, 640, 672, 720, 840, 896, 922, 960, 1008, 1120, 1152, 1260, 1344, 1383, 1440, 1680, 1844, 1920, 2016, 2240, 2305, 2520, 2688, 2766, 2880, 3227, 3360, 3688, 4032, 4149, 4480, 4610, 5040, 5532, 5760, 6454, 6720, 6915, 7376, 8064, 8298, 9220, 9681, 10080, 11064, 12908, 13440, 13830, 14752, 16135, 16596, 18440, 19362, 20160, 20745, 22128, 25816, 27660, 29043, 29504, 32270, 33192, 36880, 38724, 40320, 41490, 44256, 48405, 51632, 55320, 58086, 59008, 64540, 66384, 73760, 77448, 82980, 88512, 96810, 103264, 110640, 116172, 129080, 132768, 145215, 147520, 154896, 165960, 177024, 193620, 206528, 221280, 232344, 258160, 265536, 290430, 295040, 309792, 331920, 387240, 413056, 442560, 464688, 516320, 531072, 580860, 619584, 663840, 774480, 885120, 929376, 1032640, 1161720, 1239168, 1327680, 1548960, 1858752, 2065280, 2323440, 2655360, 3097920, 3717504, 4646880, 6195840, 9293760, 18587520]

約数ペア:

[(1, 18587520), (2, 9293760), (3, 6195840), (4, 4646880), (5, 3717504), (6, 3097920), (7, 2655360), (8, 2323440), (9, 2065280), (10, 1858752), (12, 1548960), (14, 1327680), (15, 1239168), (16, 1161720), (18, 1032640), (20, 929376), (21, 885120), (24, 774480), (28, 663840), (30, 619584), (32, 580860), (35, 531072), (36, 516320), (40, 464688), (42, 442560), (45, 413056), (48, 387240), (56, 331920), (60, 309792), (63, 295040), (64, 290430), (70, 265536), (72, 258160), (80, 232344), (84, 221280), (90, 206528), (96, 193620), (105, 177024), (112, 165960), (120, 154896), (126, 147520), (128, 145215), (140, 132768), (144, 129080), (160, 116172), (168, 110640), (180, 103264), (192, 96810), (210, 88512), (224, 82980), (240, 77448), (252, 73760), (280, 66384), (288, 64540), (315, 59008), (320, 58086), (336, 55320), (360, 51632), (384, 48405), (420, 44256), (448, 41490), (461, 40320), (480, 38724), (504, 36880), (560, 33192), (576, 32270), (630, 29504), (640, 29043), (672, 27660), (720, 25816), (840, 22128), (896, 20745), (922, 20160), (960, 19362), (1008, 18440), (1120, 16596), (1152, 16135), (1260, 14752), (1344, 13830), (1383, 13440), (1440, 12908), (1680, 11064), (1844, 10080), (1920, 9681), (2016, 9220), (2240, 8298), (2305, 8064), (2520, 7376), (2688, 6915), (2766, 6720), (2880, 6454), (3227, 5760), (3360, 5532), (3688, 5040), (4032, 4610), (4149, 4480)]