243820640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{217697}}^1$

素因数の和:217719

約数の個数: 48

約数和(自身を含む): 658318752

約数和(自身を除く): 414498112

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, 217697, 435394, 870788, 1088485, 1523879, 1741576, 2176970, 3047758, 3483152, 4353940, 6095516, 6966304, 7619395, 8707880, 12191032, 15238790, 17415760, 24382064, 30477580, 34831520, 48764128, 60955160, 121910320, 243820640]

約数ペア:

[(1, 243820640), (2, 121910320), (4, 60955160), (5, 48764128), (7, 34831520), (8, 30477580), (10, 24382064), (14, 17415760), (16, 15238790), (20, 12191032), (28, 8707880), (32, 7619395), (35, 6966304), (40, 6095516), (56, 4353940), (70, 3483152), (80, 3047758), (112, 2176970), (140, 1741576), (160, 1523879), (224, 1088485), (280, 870788), (560, 435394), (1120, 217697)]