128814900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{523}}^1\times {\mathrm{821}}^1$

素因数の和:1361

約数の個数: 72

約数和(自身を含む): 373871904

約数和(自身を除く): 245057004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 523, 821, 1046, 1569, 1642, 2092, 2463, 2615, 3138, 3284, 4105, 4926, 5230, 6276, 7845, 8210, 9852, 10460, 12315, 13075, 15690, 16420, 20525, 24630, 26150, 31380, 39225, 41050, 49260, 52300, 61575, 78450, 82100, 123150, 156900, 246300, 429383, 858766, 1288149, 1717532, 2146915, 2576298, 4293830, 5152596, 6440745, 8587660, 10734575, 12881490, 21469150, 25762980, 32203725, 42938300, 64407450, 128814900]

約数ペア:

[(1, 128814900), (2, 64407450), (3, 42938300), (4, 32203725), (5, 25762980), (6, 21469150), (10, 12881490), (12, 10734575), (15, 8587660), (20, 6440745), (25, 5152596), (30, 4293830), (50, 2576298), (60, 2146915), (75, 1717532), (100, 1288149), (150, 858766), (300, 429383), (523, 246300), (821, 156900), (1046, 123150), (1569, 82100), (1642, 78450), (2092, 61575), (2463, 52300), (2615, 49260), (3138, 41050), (3284, 39225), (4105, 31380), (4926, 26150), (5230, 24630), (6276, 20525), (7845, 16420), (8210, 15690), (9852, 13075), (10460, 12315)]