381301760

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{10639}}^1$

素因数の和:10671

約数の個数: 88

約数和(自身を含む): 1045443840

約数和(自身を除く): 664142080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1024, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 5120, 7168, 8960, 10639, 17920, 21278, 35840, 42556, 53195, 74473, 85112, 106390, 148946, 170224, 212780, 297892, 340448, 372365, 425560, 595784, 680896, 744730, 851120, 1191568, 1361792, 1489460, 1702240, 2383136, 2723584, 2978920, 3404480, 4766272, 5447168, 5957840, 6808960, 9532544, 10894336, 11915680, 13617920, 19065088, 23831360, 27235840, 38130176, 47662720, 54471680, 76260352, 95325440, 190650880, 381301760]

約数ペア:

[(1, 381301760), (2, 190650880), (4, 95325440), (5, 76260352), (7, 54471680), (8, 47662720), (10, 38130176), (14, 27235840), (16, 23831360), (20, 19065088), (28, 13617920), (32, 11915680), (35, 10894336), (40, 9532544), (56, 6808960), (64, 5957840), (70, 5447168), (80, 4766272), (112, 3404480), (128, 2978920), (140, 2723584), (160, 2383136), (224, 1702240), (256, 1489460), (280, 1361792), (320, 1191568), (448, 851120), (512, 744730), (560, 680896), (640, 595784), (896, 425560), (1024, 372365), (1120, 340448), (1280, 297892), (1792, 212780), (2240, 170224), (2560, 148946), (3584, 106390), (4480, 85112), (5120, 74473), (7168, 53195), (8960, 42556), (10639, 35840), (17920, 21278)]