2180080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 6160320

約数和(自身を除く): 3980240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 229, 238, 272, 280, 340, 458, 476, 560, 595, 680, 916, 952, 1145, 1190, 1360, 1603, 1832, 1904, 2290, 2380, 3206, 3664, 3893, 4580, 4760, 6412, 7786, 8015, 9160, 9520, 12824, 15572, 16030, 18320, 19465, 25648, 27251, 31144, 32060, 38930, 54502, 62288, 64120, 77860, 109004, 128240, 136255, 155720, 218008, 272510, 311440, 436016, 545020, 1090040, 2180080]

約数ペア:

[(1, 2180080), (2, 1090040), (4, 545020), (5, 436016), (7, 311440), (8, 272510), (10, 218008), (14, 155720), (16, 136255), (17, 128240), (20, 109004), (28, 77860), (34, 64120), (35, 62288), (40, 54502), (56, 38930), (68, 32060), (70, 31144), (80, 27251), (85, 25648), (112, 19465), (119, 18320), (136, 16030), (140, 15572), (170, 12824), (229, 9520), (238, 9160), (272, 8015), (280, 7786), (340, 6412), (458, 4760), (476, 4580), (560, 3893), (595, 3664), (680, 3206), (916, 2380), (952, 2290), (1145, 1904), (1190, 1832), (1360, 1603)]