164030480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{373}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 400688640

約数和(自身を除く): 236658160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 239, 368, 373, 460, 478, 746, 920, 956, 1195, 1492, 1840, 1865, 1912, 2390, 2984, 3730, 3824, 4780, 5497, 5968, 7460, 8579, 9560, 10994, 14920, 17158, 19120, 21988, 27485, 29840, 34316, 42895, 43976, 54970, 68632, 85790, 87952, 89147, 109940, 137264, 171580, 178294, 219880, 343160, 356588, 439760, 445735, 686320, 713176, 891470, 1426352, 1782940, 2050381, 3565880, 4100762, 7131760, 8201524, 10251905, 16403048, 20503810, 32806096, 41007620, 82015240, 164030480]

約数ペア:

[(1, 164030480), (2, 82015240), (4, 41007620), (5, 32806096), (8, 20503810), (10, 16403048), (16, 10251905), (20, 8201524), (23, 7131760), (40, 4100762), (46, 3565880), (80, 2050381), (92, 1782940), (115, 1426352), (184, 891470), (230, 713176), (239, 686320), (368, 445735), (373, 439760), (460, 356588), (478, 343160), (746, 219880), (920, 178294), (956, 171580), (1195, 137264), (1492, 109940), (1840, 89147), (1865, 87952), (1912, 85790), (2390, 68632), (2984, 54970), (3730, 43976), (3824, 42895), (4780, 34316), (5497, 29840), (5968, 27485), (7460, 21988), (8579, 19120), (9560, 17158), (10994, 14920)]