128384970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1847}}^1$

素因数の和:2195

約数の個数: 64

約数和(自身を含む): 353396736

約数和(自身を除く): 225011766

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 331, 662, 993, 1655, 1847, 1986, 2317, 3310, 3694, 4634, 4965, 5541, 6951, 9235, 9930, 11082, 11585, 12929, 13902, 18470, 23170, 25858, 27705, 34755, 38787, 55410, 64645, 69510, 77574, 129290, 193935, 387870, 611357, 1222714, 1834071, 3056785, 3668142, 4279499, 6113570, 8558998, 9170355, 12838497, 18340710, 21397495, 25676994, 42794990, 64192485, 128384970]

約数ペア:

[(1, 128384970), (2, 64192485), (3, 42794990), (5, 25676994), (6, 21397495), (7, 18340710), (10, 12838497), (14, 9170355), (15, 8558998), (21, 6113570), (30, 4279499), (35, 3668142), (42, 3056785), (70, 1834071), (105, 1222714), (210, 611357), (331, 387870), (662, 193935), (993, 129290), (1655, 77574), (1847, 69510), (1986, 64645), (2317, 55410), (3310, 38787), (3694, 34755), (4634, 27705), (4965, 25858), (5541, 23170), (6951, 18470), (9235, 13902), (9930, 12929), (11082, 11585)]