402244080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{239431}}^1$

素因数の和:239454

約数の個数: 80

約数和(自身を含む): 1425099264

約数和(自身を除く): 1022855184

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 239431, 478862, 718293, 957724, 1197155, 1436586, 1676017, 1915448, 2394310, 2873172, 3352034, 3591465, 3830896, 4788620, 5028051, 5746344, 6704068, 7182930, 8380085, 9577240, 10056102, 11492688, 13408136, 14365860, 16760170, 19154480, 20112204, 25140255, 26816272, 28731720, 33520340, 40224408, 50280510, 57463440, 67040680, 80448816, 100561020, 134081360, 201122040, 402244080]

約数ペア:

[(1, 402244080), (2, 201122040), (3, 134081360), (4, 100561020), (5, 80448816), (6, 67040680), (7, 57463440), (8, 50280510), (10, 40224408), (12, 33520340), (14, 28731720), (15, 26816272), (16, 25140255), (20, 20112204), (21, 19154480), (24, 16760170), (28, 14365860), (30, 13408136), (35, 11492688), (40, 10056102), (42, 9577240), (48, 8380085), (56, 7182930), (60, 6704068), (70, 5746344), (80, 5028051), (84, 4788620), (105, 3830896), (112, 3591465), (120, 3352034), (140, 2873172), (168, 2394310), (210, 1915448), (240, 1676017), (280, 1436586), (336, 1197155), (420, 957724), (560, 718293), (840, 478862), (1680, 239431)]