1861724160

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{20201}}^1$

素因数の和:20234

約数の個数: 144

約数和(自身を含む): 6452720820

約数和(自身を除く): 4590996660

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, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 15360, 18432, 20201, 23040, 30720, 40402, 46080, 60603, 80804, 92160, 101005, 121206, 161608, 181809, 202010, 242412, 303015, 323216, 363618, 404020, 484824, 606030, 646432, 727236, 808040, 909045, 969648, 1212060, 1292864, 1454472, 1616080, 1818090, 1939296, 2424120, 2585728, 2908944, 3232160, 3636180, 3878592, 4848240, 5171456, 5817888, 6464320, 7272360, 7757184, 9696480, 10342912, 11635776, 12928640, 14544720, 15514368, 19392960, 20685824, 23271552, 25857280, 29089440, 31028736, 38785920, 41371648, 46543104, 51714560, 58178880, 62057472, 77571840, 93086208, 103429120, 116357760, 124114944, 155143680, 186172416, 206858240, 232715520, 310287360, 372344832, 465431040, 620574720, 930862080, 1861724160]

約数ペア:

[(1, 1861724160), (2, 930862080), (3, 620574720), (4, 465431040), (5, 372344832), (6, 310287360), (8, 232715520), (9, 206858240), (10, 186172416), (12, 155143680), (15, 124114944), (16, 116357760), (18, 103429120), (20, 93086208), (24, 77571840), (30, 62057472), (32, 58178880), (36, 51714560), (40, 46543104), (45, 41371648), (48, 38785920), (60, 31028736), (64, 29089440), (72, 25857280), (80, 23271552), (90, 20685824), (96, 19392960), (120, 15514368), (128, 14544720), (144, 12928640), (160, 11635776), (180, 10342912), (192, 9696480), (240, 7757184), (256, 7272360), (288, 6464320), (320, 5817888), (360, 5171456), (384, 4848240), (480, 3878592), (512, 3636180), (576, 3232160), (640, 2908944), (720, 2585728), (768, 2424120), (960, 1939296), (1024, 1818090), (1152, 1616080), (1280, 1454472), (1440, 1292864), (1536, 1212060), (1920, 969648), (2048, 909045), (2304, 808040), (2560, 727236), (2880, 646432), (3072, 606030), (3840, 484824), (4608, 404020), (5120, 363618), (5760, 323216), (6144, 303015), (7680, 242412), (9216, 202010), (10240, 181809), (11520, 161608), (15360, 121206), (18432, 101005), (20201, 92160), (23040, 80804), (30720, 60603), (40402, 46080)]