218545920

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:399

約数の個数: 216

約数和(自身を含む): 771013152

約数和(自身を除く): 552467232

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 72, 80, 90, 96, 120, 122, 128, 144, 160, 180, 183, 192, 240, 244, 256, 288, 305, 311, 320, 360, 366, 384, 480, 488, 549, 576, 610, 622, 640, 720, 732, 768, 915, 933, 960, 976, 1098, 1152, 1220, 1244, 1280, 1440, 1464, 1555, 1830, 1866, 1920, 1952, 2196, 2304, 2440, 2488, 2745, 2799, 2880, 2928, 3110, 3660, 3732, 3840, 3904, 4392, 4665, 4880, 4976, 5490, 5598, 5760, 5856, 6220, 7320, 7464, 7808, 8784, 9330, 9760, 9952, 10980, 11196, 11520, 11712, 12440, 13995, 14640, 14928, 15616, 17568, 18660, 18971, 19520, 19904, 21960, 22392, 23424, 24880, 27990, 29280, 29856, 35136, 37320, 37942, 39040, 39808, 43920, 44784, 46848, 49760, 55980, 56913, 58560, 59712, 70272, 74640, 75884, 78080, 79616, 87840, 89568, 94855, 99520, 111960, 113826, 117120, 119424, 140544, 149280, 151768, 170739, 175680, 179136, 189710, 199040, 223920, 227652, 234240, 238848, 284565, 298560, 303536, 341478, 351360, 358272, 379420, 398080, 447840, 455304, 569130, 597120, 607072, 682956, 702720, 716544, 758840, 853695, 895680, 910608, 1138260, 1194240, 1214144, 1365912, 1517680, 1707390, 1791360, 1821216, 2276520, 2428288, 2731824, 3035360, 3414780, 3582720, 3642432, 4553040, 4856576, 5463648, 6070720, 6829560, 7284864, 9106080, 10927296, 12141440, 13659120, 14569728, 18212160, 21854592, 24282880, 27318240, 36424320, 43709184, 54636480, 72848640, 109272960, 218545920]

約数ペア:

[(1, 218545920), (2, 109272960), (3, 72848640), (4, 54636480), (5, 43709184), (6, 36424320), (8, 27318240), (9, 24282880), (10, 21854592), (12, 18212160), (15, 14569728), (16, 13659120), (18, 12141440), (20, 10927296), (24, 9106080), (30, 7284864), (32, 6829560), (36, 6070720), (40, 5463648), (45, 4856576), (48, 4553040), (60, 3642432), (61, 3582720), (64, 3414780), (72, 3035360), (80, 2731824), (90, 2428288), (96, 2276520), (120, 1821216), (122, 1791360), (128, 1707390), (144, 1517680), (160, 1365912), (180, 1214144), (183, 1194240), (192, 1138260), (240, 910608), (244, 895680), (256, 853695), (288, 758840), (305, 716544), (311, 702720), (320, 682956), (360, 607072), (366, 597120), (384, 569130), (480, 455304), (488, 447840), (549, 398080), (576, 379420), (610, 358272), (622, 351360), (640, 341478), (720, 303536), (732, 298560), (768, 284565), (915, 238848), (933, 234240), (960, 227652), (976, 223920), (1098, 199040), (1152, 189710), (1220, 179136), (1244, 175680), (1280, 170739), (1440, 151768), (1464, 149280), (1555, 140544), (1830, 119424), (1866, 117120), (1920, 113826), (1952, 111960), (2196, 99520), (2304, 94855), (2440, 89568), (2488, 87840), (2745, 79616), (2799, 78080), (2880, 75884), (2928, 74640), (3110, 70272), (3660, 59712), (3732, 58560), (3840, 56913), (3904, 55980), (4392, 49760), (4665, 46848), (4880, 44784), (4976, 43920), (5490, 39808), (5598, 39040), (5760, 37942), (5856, 37320), (6220, 35136), (7320, 29856), (7464, 29280), (7808, 27990), (8784, 24880), (9330, 23424), (9760, 22392), (9952, 21960), (10980, 19904), (11196, 19520), (11520, 18971), (11712, 18660), (12440, 17568), (13995, 15616), (14640, 14928)]