305777920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{34127}}^1$

素因数の和:34155

約数の個数: 72

約数和(自身を含む): 837091584

約数和(自身を除く): 531313664

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 34127, 68254, 136508, 170635, 238889, 273016, 341270, 477778, 546032, 682540, 955556, 1092064, 1194445, 1365080, 1911112, 2184128, 2388890, 2730160, 3822224, 4368256, 4777780, 5460320, 7644448, 8736512, 9555560, 10920640, 15288896, 19111120, 21841280, 30577792, 38222240, 43682560, 61155584, 76444480, 152888960, 305777920]

約数ペア:

[(1, 305777920), (2, 152888960), (4, 76444480), (5, 61155584), (7, 43682560), (8, 38222240), (10, 30577792), (14, 21841280), (16, 19111120), (20, 15288896), (28, 10920640), (32, 9555560), (35, 8736512), (40, 7644448), (56, 5460320), (64, 4777780), (70, 4368256), (80, 3822224), (112, 2730160), (128, 2388890), (140, 2184128), (160, 1911112), (224, 1365080), (256, 1194445), (280, 1092064), (320, 955556), (448, 682540), (560, 546032), (640, 477778), (896, 341270), (1120, 273016), (1280, 238889), (1792, 170635), (2240, 136508), (4480, 68254), (8960, 34127)]