131307680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{117239}}^1$

素因数の和:117261

約数の個数: 48

約数和(自身を含む): 354533760

約数和(自身を除く): 223226080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 117239, 234478, 468956, 586195, 820673, 937912, 1172390, 1641346, 1875824, 2344780, 3282692, 3751648, 4103365, 4689560, 6565384, 8206730, 9379120, 13130768, 16413460, 18758240, 26261536, 32826920, 65653840, 131307680]

約数ペア:

[(1, 131307680), (2, 65653840), (4, 32826920), (5, 26261536), (7, 18758240), (8, 16413460), (10, 13130768), (14, 9379120), (16, 8206730), (20, 6565384), (28, 4689560), (32, 4103365), (35, 3751648), (40, 3282692), (56, 2344780), (70, 1875824), (80, 1641346), (112, 1172390), (140, 937912), (160, 820673), (224, 586195), (280, 468956), (560, 234478), (1120, 117239)]