72848640

素因数分解:

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

素因数の和:396

約数の個数: 144

約数和(自身を含む): 237234816

約数和(自身を除く): 164386176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 311, 320, 366, 384, 480, 488, 610, 622, 640, 732, 768, 915, 933, 960, 976, 1220, 1244, 1280, 1464, 1555, 1830, 1866, 1920, 1952, 2440, 2488, 2928, 3110, 3660, 3732, 3840, 3904, 4665, 4880, 4976, 5856, 6220, 7320, 7464, 7808, 9330, 9760, 9952, 11712, 12440, 14640, 14928, 15616, 18660, 18971, 19520, 19904, 23424, 24880, 29280, 29856, 37320, 37942, 39040, 39808, 46848, 49760, 56913, 58560, 59712, 74640, 75884, 78080, 79616, 94855, 99520, 113826, 117120, 119424, 149280, 151768, 189710, 199040, 227652, 234240, 238848, 284565, 298560, 303536, 379420, 398080, 455304, 569130, 597120, 607072, 758840, 910608, 1138260, 1194240, 1214144, 1517680, 1821216, 2276520, 2428288, 3035360, 3642432, 4553040, 4856576, 6070720, 7284864, 9106080, 12141440, 14569728, 18212160, 24282880, 36424320, 72848640]

約数ペア:

[(1, 72848640), (2, 36424320), (3, 24282880), (4, 18212160), (5, 14569728), (6, 12141440), (8, 9106080), (10, 7284864), (12, 6070720), (15, 4856576), (16, 4553040), (20, 3642432), (24, 3035360), (30, 2428288), (32, 2276520), (40, 1821216), (48, 1517680), (60, 1214144), (61, 1194240), (64, 1138260), (80, 910608), (96, 758840), (120, 607072), (122, 597120), (128, 569130), (160, 455304), (183, 398080), (192, 379420), (240, 303536), (244, 298560), (256, 284565), (305, 238848), (311, 234240), (320, 227652), (366, 199040), (384, 189710), (480, 151768), (488, 149280), (610, 119424), (622, 117120), (640, 113826), (732, 99520), (768, 94855), (915, 79616), (933, 78080), (960, 75884), (976, 74640), (1220, 59712), (1244, 58560), (1280, 56913), (1464, 49760), (1555, 46848), (1830, 39808), (1866, 39040), (1920, 37942), (1952, 37320), (2440, 29856), (2488, 29280), (2928, 24880), (3110, 23424), (3660, 19904), (3732, 19520), (3840, 18971), (3904, 18660), (4665, 15616), (4880, 14928), (4976, 14640), (5856, 12440), (6220, 11712), (7320, 9952), (7464, 9760), (7808, 9330)]