240395680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{214639}}^1$

素因数の和:214661

約数の個数: 48

約数和(自身を含む): 649071360

約数和(自身を除く): 408675680

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, 214639, 429278, 858556, 1073195, 1502473, 1717112, 2146390, 3004946, 3434224, 4292780, 6009892, 6868448, 7512365, 8585560, 12019784, 15024730, 17171120, 24039568, 30049460, 34342240, 48079136, 60098920, 120197840, 240395680]

約数ペア:

[(1, 240395680), (2, 120197840), (4, 60098920), (5, 48079136), (7, 34342240), (8, 30049460), (10, 24039568), (14, 17171120), (16, 15024730), (20, 12019784), (28, 8585560), (32, 7512365), (35, 6868448), (40, 6009892), (56, 4292780), (70, 3434224), (80, 3004946), (112, 2146390), (140, 1717112), (160, 1502473), (224, 1073195), (280, 858556), (560, 429278), (1120, 214639)]